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◆ 5.0: Version 5.0, Mualani, Kinich, Kachina
◆ Future: Natlan, Natlan Characters
There are 271 Hydroculus in total found in Fontaine for Genshin Impact. They are collectible items used to level up the Statue of the Seven. See all Hydroculus locations with our interactive map and how to get them here!
Elemental Oculus Items | ||
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List of Contents
Note: You can toggle the Area drop down menu to see other Fontaine map areas! |
The new areas in Version 4.6, the Nostoi Region and Sea of Bygone Eras, have a total of 55 Hydroculi, bringing the overall total Hydroculus to 271!
Select a surface section below! | |
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4.0 Locations Beryl Region Belleau Region Court of Fontaine |
4.1 Locations Liffey Region Fontaine Research Institute |
4.2 Locations Erinnyes Forest Morte Region |
4.6 Locations Nostoi Region |
Tip: Use your browser's page search function to navigate the page by searching a Hydroculus number from the map! |
Click here to open map in new tab |
No. | Image | How to Get |
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1 | ![]() |
Located on top of the boat near the docks. Use the Waverider Waypoint at the beach beyond the nearest waypoint to get there and use the Four-Leaf Sigil located at the bottom of the Hydroculus. |
2 | ![]() |
Located just ahead of the Romaritime Harbor Statue of Seven. Climb up near the pillars then just glide down to get the Hydroculus. |
3 | ![]() |
Located on top of the mountain by the Denouement of Sin artifact domain. |
4 | ![]() |
Located on a hill, the Hydroculus is on top of an artist easel with a blank canvas, facing the direction of the West Slope of Mont Automnequi. |
5 | ![]() |
Located on the side of the mountain, inside a hole dug into the ground surrounded by Meka enemies. |
6 | ![]() |
Located on top of an incredibly tall rock, north of the nearest surface teleport waypoint. There is a nearby tower with two Clockwork Meka enemies at the base of the rock. |
7 | ![]() |
Find 3 Seelies to summon a hydro ring. Ride it to the top of a platform that gives you a jumping boost and jump to the Hydroculus and a chest! |
8 | ![]() |
Located floating high above an arena east of the Beryl Region. Follow the Seelie nearby to its Seelie Court to activate hydro rings. Then, go at the top of a nearby cliff then use the hydro ring there to propel yourself towards the Hydroculus. |
9 | ![]() |
Located at the peak of a rocky mountain near the center of the Beryl Region. |
10 | ![]() |
Located at some ruins west of the Statue of the Seven in the Beryl region. |
11 | ![]() |
Located floating beside a floating ship. Defeat the Hydro Hilichurl Rogue in this area to gain access to this ship. Then, use the Pneuma Block to unlock both a Remarkable Chest and a path to the Hydroculus. |
12 | ![]() |
Located on top of a rib-like stone at the center of the Elynas, Beryl region |
13 | ![]() |
Located on top of a rib-like stone pillar north of the Elynas waypoint. |
14 | ![]() |
Located north of the Elynas area, at the tip of another rib-like stone right beside a Hilichurl camp on the beach. |
15 | ![]() |
Located at the tip of a rib in the upper-center Elynas area of the Beryl Region. Glide down to this area from the nearby cliff-top teleport waypoint or climb the rocky outcrop to the Hydroculus. |
16 | ![]() |
Located on top of a small mountain east of the Statue of Seven in the Beryl Region. |
17 | ![]() |
Located on another boat southeast of the Statue of Seven in the Beryl Region. |
18 | ![]() |
Located on another boat south of the West Slopes of Mont Automnequi. Climb up the boat and jump to get the Hydroculus. |
19 | ![]() |
Located on an island south of the West Slopes of Mont Automnequi. The Hydroculus is guarded by an Anemo Hilichurl Rogue. |
20 | ![]() |
Located on top of a small rocky mountain north of the Emperor of Fire and Iron location. Climb up this mountain to get this Hydroculus. |
21 | ![]() |
Located floating in the air by the Aquabus path in West Slopes of Mont Automnequi. Use the Hydro Rings on top of the house to grab the Hydroculus. |
22 | ![]() |
You can either climb the rocky mountainside and use anemo on the pinwheel at the top to get to the Hydroculus, or you can find Antoine at the base of the mountain and use pneumosia to ride his flying balloon ship all the way to the Hydroculus. |
23 | ![]() |
Located inside the Aquabus tunnel in the West Slopes of Mont Automnequi. |
24 | ![]() |
Located at the tip of a spiral shipwreck structure in Poisson. Climb up to reach this Hydroculus. |
25 | ![]() |
Located on top of a tower guarded by Meka dogs. Find the nearby pneuma and ousia blocks to solve the puzzle, defeat all meka dogs to unlock the remarkable chest and use the resulting hydro ring to get to the top of the tower. |
26 | ![]() |
Located on top of a house right by the water, north of the West Slopes of Mont Automnequi. |
27 | ![]() |
Located in the middle of the three islands south of the Court of Fontaine, just above the water. Take a Waverider and exit just below the Hydroculus to be able to reach it. |
28 | ![]() |
Located on an island north of the Belleau Region, guarded by a Clockwork Meka. |
29 | ![]() |
Located floating above the water southeast of the Court of Fontaine. Find 3 Seelies underwater to activate the Echoing Conch. After activating, the fish will gather. Enter the hydro ring located within the group of fish to launch yourself upwards towards the Hydroculus. |
30 | ![]() |
Located on the roof of the train station entering Court of Fontaine. Get here by climbing or using the hydro ring at the base of the structure. |
31 | ![]() |
Located east of the Opera Epiclese, floating high above the water. To get it, jump on the boat in the area and successfully fish one time to summon a hydro ring. Then, climb up the highest part of the boat, glide towards the hydro ring and enter to launch yourself upwards. |
32 | ![]() |
Located under the bridge entering the Court of Fontaine by way of Aquabus. |
33 | ![]() |
Located on a small structure above the water, south of the Court of Fontaine. Use the hydro ring to grab the Hydroculus. |
34 | ![]() |
Located on top of the large green arch at the center of the Court of Fontaine. Climb the arch from the sides to get to the Hydroculus. |
35 | ![]() |
Located submerged in the shallow pond northeast of the Court of Fontaine, still within the city walls. |
36 | ![]() |
Located on the roof of a circular building north of the Court of Fontaine, attached to the outer wall. |
37 | ![]() |
Located on the top of the largest building in the Court of Fontaine. |
38 | ![]() |
Located northwest of the Court of Fontaine by the shoreline. Solve the Seelie puzzle to summon an updraft that can carry you towards the Hydroculus.
▸1st: Dig up in the sandy area ▸2nd: Behind the boulders northeast of the area ▸3rd: Floating high above the area; get a high vantage point then glide down to the Seelie |
39 | ![]() |
Located on top of a tower northwest of the Court of Fontaine. Defeat the Meka surrounding the tower to unlock the chest and summon a hydro ring you can use grab the Hydroculus. |
40 | ![]() |
Located on top of a silo in a settlement northwest of the Court of Fontaine. |
41 | ![]() |
Located on a lavender field northwest of the Court of Fontaine, near a teleport waypoint. Use the clover pinwheel in the field to launch yourself up to the floating Hydroculus. |
42 | ![]() |
Located at the top of a Hilichurl Base northwest of the Court of Fontaine. |
43 | ![]() |
Located at the end of the water canal north of the Court of Fontaine. |
44 | ![]() |
Located northeast of the Court of Fontaine. Dive underneath the Antoine Aircraft and borrow the nearby Aberrant Stingray's power to cut off the Yellow Fontemer Seagrass sticking to the craft. Simply ride the aircraft up using the pneumosia device until you reach the Hydroculus. |
45 | ![]() |
Located at the top of the mountains north of the Court of Fontaine. |
46 | ![]() |
Located on top of a tree at Marcotte Station, just south of the teleport waypoint. you can use the hydro ring to grab the Hydroculus on the way to the top of the cliff. |
47 | ![]() |
Located at the center of the fountain at Marcotte Station, on the way south of the Fountain of Lucine. |
48 | ![]() |
Located under the center of the bridge at the Opera Epiclese. |
49 | ![]() |
Located at the very top of the tall archway at the end of the Opera Epiclese overlooking the water. Climb the archway to get the Hydroculus. |
Click here to open map in new tab |
No. | Image | How to Get |
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86 | ![]() |
Located south of the Liffey Region Statue of Seven. Climb the nearest high platform and glide towards the Hydroculus. |
87 | ![]() |
Located just southwest of the Liffey Region Statue of the Seven high up the mountaintop. Simply climb the mountain to obtain it. |
88 | ![]() |
Located near the Statue of the Seven in the Liffey Region. Look southeast to see the Hydroculus on a tiny pillar. |
89 | ![]() |
Can be found floating above the river in Mont Esus East, near the Large Pneumousia Relay Station. |
90 | ![]() |
Located on a buoy floating south of Mount Esus East. |
91 | ![]() |
Located by the cliff north of Mont Esus East. Collect hydrogana and activate the hydro mechanism to make a temporary bridge to the Hydroculus. |
92 | ![]() |
Can be found north of Mont Esus East, near the Large Dendro Slime. |
93 | ![]() |
Continue north from #92 to find the Hydroculus floating above the box crates. |
94 | ![]() |
Located far north of Mont Esus East, on top of the tower. Use the Hydro ring on the cliff to quickly reach the tower's peak. |
95 | ![]() |
Located in the northernmost tip of the Liffey region, on the highest point of a small island inhabited by Hilichurls. |
96 | ![]() |
Located north of the Millennial Pearl Seahorse, on top of the tallest pipe. |
97 | ![]() |
Climb to the top of the tall golden tower north of the New Fontaine Research Institute to find the Hydroculus. |
98 | ![]() |
Located on the map's northernmost edge, north of the New Fontaine Research Institute, and is guarded by a Frost Operative. You can utilize Venti's or Kazuha's skill to reach the Hydroculus, or a geo construct like Geo Traveler's or Zhongli's. |
99 | ![]() |
Situated on the highest cliff to the north of the New Fontaine Research Institute. You can climb the cliff from the northern teleport waypoint and obtain a Luxurious Chest in the same location! |
100 | ![]() |
Located on the rocky mountain to the northwest of the New Fontaine Research Institute. Climb up from the teleport waypoint to get there. |
101 | ![]() |
Located at the center of the New Fontaine Research Institute area, on top of the tent roof. |
102 | ![]() |
Located in the gap of the broken bridge leading out of the New Fontaine Research Institute. |
103 | ![]() |
Break the Hydro Stone to summon a Hydro Ring, then ride it to the puzzle above, where you can reach the Hydroculus and obtain an Exquisite Chest if you shoot all the targets. |
104 | ![]() |
Located east of the Fontaine Research Institute by a stairway. |
105 | ![]() |
Located beneath the ruins northeast of the New Fontaine Research Institute. |
106 | ![]() |
Located at the very top of a tall tower to the north of the Central Laboratory Ruins. |
107 | ![]() |
Located inside a locked ruin, northwest of Central Laboratory Ruins. Unlock the door by recharging the Terminal with a portable storage energy. |
108 | ![]() |
Located slightly north of the Central Laboratory Ruins Teleport Waypoint, at the end of a ruined bridge. Simply glide down from the Waypoint to the end of the bridge. |
109 | ![]() |
Located in a ruin in the Central Laboratory Ruins. Dive into the water and swim to it. |
110 | ![]() |
Head to the center of the Central Laboratory Ruins, then climb the floating debris until you reach the uppermost piece, which contains the Hydroculus. |
111 | ![]() |
Located at the end of a broken bridge, southeast of Central Laboratory Ruins. |
112 | ![]() |
Can be found inside a hilichurl camp, south of the Teleport Waypoint, in the claw of a metal sculpture. |
113 | ![]() |
Located immediately north of the Fontaine Research Institute Statue of the Seven at the end of a broken bridge. Glide from the Statue of the Seven and traverse the broken bridge until you reach the end where the Hydroculus is located. |
114 | ![]() |
Located at the base of the broken bridge south of the ruins of the central laboratory. |
115 | ![]() |
Located just southwest of the Fontaine Research Institute, in between of a damaged pillar. |
116 | ![]() |
Located west of the Fontaine Research Institute Statue of the Seven, at the very end of a broken bridge. |
117 | ![]() |
Found on top of a tall pillar to the west of the Fontaine Research Institute Statue of the Seven. Glide over from the nearby Teleport Waypoint to obtain it. |
118 | ![]() |
Located on a short bridge pillar southwest of the Fontaine Research Institute teleport waypoint. To get it, simply swim and climb the pillar. |
119 | ![]() |
Located in the Fontaine Research Institute Region, behind a fallen pillar and west of a Teleport Waypoint. |
120 | ![]() |
Located on a tiny mountain across the broken bridge from the Liffey Region Statue of the Seven. Simply climb the mountain to obtain it. |
121 | ![]() |
Located on a mountaintop southwest of the Fontaine Research Institute Statue of the Seven. To get it, use the Teleport Waypoint nearby, then proceed southwest and climb the mountain. |
122 | ![]() |
Located on top of the broken wall around the arena of the Experimental Field Generator. |
123 | ![]() |
Located on top of a small tower to the south of the Experimental Field Generator. Simply glide off the nearby cliff to get it. |
124 | ![]() |
Located near the southern Teleport Waypoint in the Fontaine Research Institute, within a bubble with a Luxurious Chest. Remove the bubble barrier by locating and following the two Seelies nearby.
▸1st: Activate the Hydro mechanism by hitting it with Hydro Attacks. ▸2nd: Destroy the Jadewater Fruit using Elemental Attacks to reveal the Seelie. |
125 | ![]() |
Located on a building's roof southwest of the Fontaine Research Institute Statue of the Seven. Simply glide from the bridge's top to obtain it. |
126 | ![]() |
Located southeast of the Fontaine Research Institute Statue of the Seven on top of a ruin. Simply climb the ruin to obtain it. |
127 | ![]() |
Located in a small ruin upstream, east of the Fontaine Research Institute Statue of Seven. |
128 | ![]() |
Located on top of a small house in the southeast part of the Fontaine Research Institute area. |
Click here to open 4.2 Hydroculus map in new tab |
No. | Image | How to Get |
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151 | ![]() |
Situated on top of a dead tree north of Marcotte station. |
152 | ![]() |
Can be found to the north of Marcotte station. Can be reached by gliding from the tiny mountain to the south of it. |
153 | ![]() |
The oculi can be found to the north of Loch Urania. Investigate a fast moving object on the water to solve the puzzle. It's a seelie, which will lower the water level and reveal an exquisite chest. |
154 | ![]() |
Located on the summit of a small mountain north of Marcotte Station, next to a Time Trial Challenge. |
155 | ![]() |
Can be found southwest of Loch Urania. Grab the octopus power again to push the jellyfish, using it to reach the oculi. |
156 | ![]() |
Can be found on top of Loch Urania's huge bubble. |
157 | ![]() |
The oculi is located to the east of Loch Urania. Finish the three anemo monuments puzzle, and an Eye of the Storm will appear. If its HP falls below a certain threshold, it will flee, causing a wind current. Fly up and collect the hydroculus, and the eye of the storm may be fought again. |
159 | ![]() |
Can be found north of Weeping Willow Lake, inside a tent next to a foe named Rocky. |
160 | ![]() |
Situated on top of some ruins to the right of the Lake's Weeping Willow. |
161 | ![]() |
Located east of the Weeping Willow of the Lake. Clear out the Bacteria Mats on the small pond. Then dive and follow the revealed path. The Hydroculus will be at the end, under a sewer grate. |
163 | ![]() |
Placed on top of a small hill in the northeast part of Erinnyes. |
164 | ![]() |
Placed on top of a big rock east of Weeping Willow Lake, and treasure hunters can be found at the base of the rock. |
165 | ![]() |
Located southeast of the Weeping Willow of the Lake, submerged in a small lake. Use the Xenochromatic Ball Octopus located east of this lake so you can dive underwater and get the Hydroculus. |
166 | ![]() |
Located southeast of Weeping Willow Lake; release the three jellyfish to receive the oculi. Jellyfish 1: Put out the flame from the torch. Jellyfish 2: Light up 4 Hydro Monuments in order according to the number of pinecones surrounding each one. Jellyfish 3: Defeat the Pyro slimes. |
167 | ![]() |
Can be found in Weeping Willow of the Lake, between the tree roots. |
169 | ![]() |
On top of rock cliff next to an Anemo Hilichurl Rogue. |
170 | ![]() |
Contained inside a huge shell near the Statue of the Seven by Marcotte Station. To open the shell, hit it. |
171 | ![]() |
The oculi lies near the Statue of Seven by Marcotte Station. You can use the Humongous Hat Jellyfish near to bounce to it, then glide or climb the tree. |
173 | ![]() |
Can be found south of the Weeping Willow of the Lake waypoint, on a rock overlooking the massive tree. |
174 | ![]() |
Ride the aircraft near the Fountain of Lucine at the mountain's foot. After reaching the top of the mountain, utilize the hat jellyfish that has spawned to reach the oculi. |
176 | ![]() |
Located south of the Weeping Willow of the Lake. Complete the Time Challenge to reveal and access the Hydroculus. |
177 | ![]() |
The oculi are locked up behind bars. Simple vault keys 1, 2, and 3 are required to open. Key 1: Get from the bird's nest on top of the shipwreck. Key 2: Defeat the Treasure Hoarders to open up the chest on the deck. Key 3: Dig the spot on the south side of the shipwreck. |
178 | ![]() |
Situated on top of a cliff north of Lumidouce Harbor. |
181 | ![]() |
Can be found near the fork east of the Foggy Forest Path. Take the octopus ability from the machine and use it to get rid of the bacterial mats (three total). The hydroculus will then spawn, and both jellyfish will be freed and moved into position. Make use of them to get the hydroculus. |
182 | ![]() |
Follow the foggy forest trail south of the waypoint from the fountain. The oculi is located beneath the bridge with a treasure hoarder and may be acquired simply by going across the bridge. |
183 | ![]() |
Placed inside the Pneumousia Storage Box; break it using the ousia orb nearby. |
184 | ![]() |
The oculi can be found near the waypoint south of the Fountain of Lucine's southeast exit. Use the machine to obtain the ball octopus ability, then use its powers to push the hat jellyfish. Use the jellyfish to jump and then glide to the oculi. |
185 | ![]() |
Near the waverider waypoint on the foggy forest path. Use the machine to gain the ability of xeno octopus, then push the jellyfish to jump and glide. |
186 | ![]() |
Located southeast of the "Rusty Rudder" boat. Swim underwater and use the jellyfish to jump up. |
187 | ![]() |
The oculi is located in Lumidouce Harbor. Obtain the octopus ability, hit the floating crystal flowers to make them spin, then use the platforms generated to approach the jellyfish. |
188 | ![]() |
Placed on the left crane near the Lumidouce Harbor waypoint. |
190 | ![]() |
Located north of the Fort Charybdis Ruin. Take the two floating crystal and set them on the projector. Align the projector with the mirrors using the octopus ability. |
193 | ![]() |
Located in Fort Charybdis Ruins. Complete the Time Challenge located in the area to summon a hydro ring. This will take you to the Hydroculus above. |
195 | ![]() |
Located by the Morte Region Statue of the Seven, floating above the hole that leads to the ruins. |
199 | ![]() |
Located northeast of the waypoint, north of Mount Automnequi's West Slopes. Simply utilize the jellyfish beneath it to obtain the oculi. |
200 | ![]() |
Located near the waypoint, north of Mount Automnequi's West Slopes. |
204 | ![]() |
Situated on top of a rock wall near the East Slopes of Mount Automnequi waypoint. |
207 | ![]() |
Can be found on the huge tower in Morte Region. Enter the ring of water near the waypoint, which will take you almost to the top of the tower. |
210 | ![]() |
Can be found south of the Fort Charybdis Ruin. To obtain the oculi, use the Jellyfish situated on top of the shattered building. |
215 | ![]() |
Sits on a tiny mountain near a shipwreck southeast of Charybdis Waypoint. |
216 | ![]() |
Located southeast of 215, near the map's boundary. Eliminate the hilichurls that are blocking the jellyfish, and then utilize it to fly up. |
Click here to open 4.6 surface map in new tab |
Three of the surface Hydroculus in 4.6 are found around the Village of Petrichor, while the remaining six are found inside the Faded Castle. To gain access to the castle, travelers must play through the Canticles of Harmony quest.
No. | Image | How to Get |
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217 | ![]() |
Can be found on top of a house near the Teleport Waypoint in Petrichor. Simply climb the house and get it. |
218 | ![]() |
Placed on top of the mountain in the village of Petrichor. |
219 | ![]() |
Teleport to Petrichor's central Waypoint and head east. The Hydroculus can be found on a pillar behind a tree. |
220 | ![]() |
Found behind the bookshelf in the faded castle. To open the bookshelf, solve the Mysterious Grimoires puzzle by returning the Lost Grimoire. |
221 | ![]() |
Located underwater and between two statues near the teleport waypoint. You can simply dive to retrieve it. |
222 | ![]() |
Located on the left side of the stage of the Faded Castle. Near some musical instruments. |
223 | ![]() |
Can be found on the Middle Level of the Faded Castle, near the library and past a Praetorian Golem. Hit the crystal and use the moving platform and hydro ring to reach the top. Use the Lost Grimoire to activate the bookcase, then open it using the Ancient Symphony. |
224 | ![]() |
Found on a ledge in the southern portion of the Faded Castle, on the route to the Exhibition Hall, where the Statue of Marble and Brass is placed. |
225 | ![]() |
Located at the far end of the arena in the Exhibition Hall of Faded Castle. Climb one of the nearby pillars and jump from there to grab the Hydroculus. |
Select an underwater section below! | |
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4.0 Locations Beryl Region Belleau Region Court of Fontaine |
4.1 Locations Liffey Region Fontaine Research Institute |
4.2 Locations Erinnyes Forest Morte Region |
4.6 Locations Sea of Bygone Eras |
Tip: Use your browser's page search function to navigate the page by searching a Hydroculus number from the map! |
Click here to open map in new tab |
A Hydroculus is located inside the cave pathway leading down to the Emperor of Fire and Iron boss. You can find the entrance by toggling the layer map, and locating the orange mouth of a cave a little north to the boss icon.
How to Get | |
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51 | ![]() Can be found under a rock pile, in the room on the way to the Iron Viscount |
52 | ![]() On your way back to the surface, just as you pass the Iron Viscount. The Hydroculus is hidden amongst seaweed on the ceiling. |
53 | ![]() Located in the boiling water. To unlock this area, you will need to solve the Boiling Water Puzzle in the Beryl Region, Fontaine. |
Three more Hydroculi can be found on the way to and from the cave of the Iron Viscount mini-boss! To unlock this area, you will need to solve the Boiling Water puzzle in the Beryl Region, Fontaine.
How to Clear Out the Boiling Waters
No. | Image | How to Get |
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54 | ![]() |
From the underwater teleport waypoint in Elton Trench, head straight down until you come across signs of shipwrecks, and follow it all the way to a cave. The Hydroculus will be on top of a shipwreck, surrounded by Treasure Hoarders. |
55 | ![]() |
Located just between two cliffs near the Teleport Waypoint south of Elton Trench. |
56 | ![]() |
Dive into the depths of the Elton Trench, down past shipwrecks and into the mouth of a cave where the Hydroculus is. This is on the way to Hydroculus #54. |
57 | ![]() |
Located in an underwater room near the Elton Trench. Use the nearby pneuma block and attack the ousia posts to unlock. See full guide in this page! |
58 | ![]() |
On top of a giant, underwater lilypad with two Fontemer Aberrants circling it, on the northern side of the Elton Trench. |
59 | ![]() |
Around north of the Elton Trench, behind a bounder you can destroy with a Crab Aberrant's ability. |
60 | ![]() |
Located close to the surface north of the Elton Trench, right beside a pair of Bullet Barnacles. Borrow a crab aberrant's ability and use its shield to avoid getting damage from the barnacles! |
61 | ![]() |
Found underwater in the cave leading to and from the south side of the underground Poisson village, in the Belleau region. |
62 | ![]() |
Found on top of the giant ship on the north side of the underground Poisson village, in the Belleau region. |
63 | ![]() |
The Hydroculus was guarded by the Fairy Knight twins, north of Salacia Plain. |
64 | ![]() |
Can be found under the rock arch, in between the Elton Trench and Salacia Plain. |
65 | ![]() |
In the small building inside you can find the Hydroculus, south of the Court of Fontaine in Salacia Plain. |
How to Get | |
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66 | ![]() In the second area you access during the quest, destroy the Bullet Barnacles to reveal the Hydroculus. |
67 | ![]() Found through a doorway past the second area, at the bottom of some stairs in a circular room. |
68 | ![]() Inside the library of the ruins, on top of a staircase. |
70 | ![]() Inside a small room deep in the ruins, guarded by a pair of Rifthound Whelps. |
Four Hydroculi are located in an underwater area locked behind an Ancient Key, which can only be obtained through the ''Aqueous Tidemarks'' world quest!
Follow the path south of Salacia Plain into a cave and ride the current inside till you come across the Hydroculus under a small arc. There will be rows of Bullet Barnacles along the way so watch out!
How to Unlock the Room in Salacia Plain | |
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1 | ![]() Take a Crab Abberant's ability |
2 | ![]() Use the ability on the two nearby Fantastic Floating Ball and Rings. |
3 | ![]() Finally, interact with the two machines in front of the room to unlock it. |
There is a Hydroculus inside a locked, underwater room in the Salacia Plain. Aside from the Hydroculus, this room will also contain a Treasure Chest!
Locked Underwater Dome Puzzle Guide
No. | Image | How to Get |
---|---|---|
72 | ![]() |
Located under a rock arch north of Salacia Plain. |
73 | ![]() |
Located at the center of a big underwater plant north of Salacia Plain. |
74 | ![]() |
Located near the bottom of the ocean floor, under an archway of an underwater ruin to the right of the Court of Fontaine. |
75 | ![]() |
Find 3 Seelies to unlock the big bubble in the Thalatta Submarine Canyon, just by the teleport waypoint |
76 | ![]() |
Located north of the Chemin de L'Espoir, behind a broken wall at the top of a ruin entrance. |
No. | Image |
---|---|
77 | ![]() Pop the bubble and ride the Hydro ring up. |
78 | ![]() You can come across this Hydroculus while solving the quest puzzle. |
79 | ![]() Hit the device to summon steps that lead to the Hydroculus. |
Three Hydroculi can be found in The Narzissenkreuz Adventure quest line. Check out our guide on this quest here:
The Narzissenkreuz Adventure Quest Guide
No. | Image | How to Get |
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80 | ![]() |
Located northwest of the Elton Trench. Destroy the Bullet Barnacles around the area to reveal the Hydroculus. |
81 | ![]() |
Located northwest of the Elton Trench, just by a teleport waypoint. |
82 | ![]() |
Hidden under a stone in the waters of a lake north of the Statue of the Seven in the Elynas area. |
No. | Image |
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83 | ![]() In the area known as ''A Lonely Place,'' on top of a slanted structure. |
84 | ![]() On top of a small rock pile in the Merusea Village. |
85 | ![]() Northwest of ''A Very Bright Place'' on top of a pink house. |
Merusea Village has 3 Hydroculi, which can be unlocked through the Brush of Seafoam and Crimson quest line. Check out our guide on this quest here:
A Brush of Seafoam and Crimson Quest Guide
Click here to open map in new tab |
No. | Image | How to Get |
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129 | ![]() |
Located south of the Teleport Waypoint, hidden behind a boulder. To obtain it, use the Xenochromatic Jellyfish's ability to destroy the boulder and then swim to it. |
130 | ![]() |
Can be found in the lake to the right of the Fontaine Research Institute's Statue of the Seven. Dive into the lake, pass through the tunnel, and continue down the road until you reach a big cavern. The Hydroculus can be seen in some ruins to the left. |
Found in an underground cave east of the Experimental Field Generator. Collect all Mysterious Ores and create Arkhium Lumenite in the Forging Press under Submerged Stony Path to get access to the cave.
No. | Image | How to Get |
---|---|---|
132 | ![]() |
Can be found in an underwater ruin northeast of the Fontaine Research Institute Statue of the Seven. To open the ruin's gate, activate the Echoing Conch nearby and then use the Blubberbeast Ability. Defeat the nearby enemies and swim to obtain the Hydroculus. |
133 | ![]() |
Located slightly east of the underwater Teleport Waypoint, on top of a shattered pillar with an arch. |
134 | ![]() |
Located underwater, on top of a shattered pillar, just west of the underwater Teleport Waypoint. |
135 | ![]() |
Located west of the Fontaine Research Institute Statue of the Seven in a submerged tower. Swim to the bottom of the tower and destroy the Deepwater Assault Mek guarding the mechanism. Hit the mechanism once, then enter the tower to obtain the Hydroculus. |
136 | ![]() |
Located underwater, northeast of the Liffey Region Statue of the Seven, between three large coral platforms. |
137 | ![]() |
Located in Mont Esus East near the entrance to an underwater cave. Simply dive below and head to the cave entrance to find the Hydroculus. |
138 | ![]() |
Can be found deep below the underwater tunnel from #137. Simply swim deep into the tunnel and you should be able to see it on the far left side. |
139 | ![]() |
Located near the entrance of a metal shaft underwater, just below #140. |
140 | ![]() |
Located immediately south of the underwater Teleport Waypoint, on top of one of the metal structures. |
141 | ![]() |
Located on top of Meropide's Fortress. |
142 | ![]() |
Located underwater north of Meropide's Fortress, at the entrance of the cave. |
143 | ![]() |
Located north of the Fortress of Meropide, floating above seaweed and just past a cave entrance. |
144 | ![]() |
Can be found in a pool at the far end of the Millennial Pearl Seahorse boss arena from the Teleport Waypoint. |
145 | ![]() |
Obtainable after completing Unfinished Comedy sub-quest: An Eye for an Eye. After finishing the subquest, return to the map location and get the Hydroculus. |
146 | ![]() |
Follow the underwater tunnel from the Millennial Pearl Seahorse until you get to the other end where a Hydroculus is floating above the water. |
Find the trail heading north from the Teleport Waypoint near Hydroculus #146 and dive into the water. Open the gate with the Xenochromatic Jellyfish ability, then go inside and use the ability to hit the crystal from a distance to open the next gate. Continue along the trail until you reach the Hydroculus.
No. | Image | How to Get |
---|---|---|
148 | ![]() |
Can be found on top of a massive fan inside Kuisel's Clockwork Workshop, complete the Road to the Singularity quest to unlock. Just climb a nearby ladder and glide towards it. |
149 | ![]() |
Follow the path south from #146, dive underwater, and continue until you reach a metallic tunnel. A Hydroculus floats in the midst of a chamber, with a Clockwork Meka in the center. |
150 | ![]() |
To unlock the Terminal, defeat the Clockwork Meka and interact with it to open the gate. Continue south and descend to the lower east levels of the enormous room, where the Hydroculus is located. |
No. | Image | How to Get |
---|---|---|
158 | ![]() |
Dive underwater in the Weeping Willow of the Lake and swim north side. Destroy the Red Meanies to open up the path that will lead you to the Hydroculus. |
162 | ![]() |
Located east of the Weeping Willow of the Lake. Enter on the east side of the willow tree. You will see a cannon guarded by two Hilichurls. Use it to break the wall to reveal the Hydroculus. |
168 | ![]() |
Located inside an alcove found underneath an underwater path in Erinnyes. This path is accessible after cleansing the Root-Consuming Tumor during the Wild Fairy of Erinnyes quest. |
172 | ![]() |
Located inside the submerged cavern in Erinnyes. This cavern is accessible during the final quest of the Wild Fairy of Erinnyes. |
175 | ![]() |
Can be found beneath the tiny lake south of the Weeping Willow of the Lake waypoint; simply hit the shell to get the oculi inside. |
179 | ![]() |
Complete the puzzle/question at the rusty rudder to use the cannon and break the wall. Answers: 1. 3 tables 2. 3 employees 3. Romaritime Flower |
180 | ![]() |
Can be found on a small pool of water inside the cave entered from 179. |
189 | ![]() |
Found within a sunken ship north of the Fort Charybdis ruin waypoint. |
191 | ![]() |
Located in Fort Charybdis Ruins, floating above the golden gears. Climb one of the gears to your left. Reaching the top of the nearby shaft will summon a wind that will take you to the Hydroculus. |
192 | ![]() |
Similiar location to Hydroculus 191. Solve the Seelie puzzle to open up the underwater section of the area. |
194 | ![]() |
Located underwater just by the Morte Region Statue of the Seven. The Hydroculus is located inside the ruins where a Bubbler Seahorse resides. |
196 | ![]() |
Can be found during the Search in the Algae Sea quest; in the same room as Hydroculus #197 but behind a large mechanism on the far side. |
197 | ![]() |
Can be found during the Search in the Algae Sea quest; follow the path on the right side of the underwater teleport waypoint. |
198 | ![]() |
Can be found during the Search in the Algae Sea quest. Locked behind a red barrier, but you can reach it through the doorway by the nearest teleport waypoint. |
201 | ![]() |
Found during the Cupid's Lover seal. Once inside the Orthant's chamber, go deep into the room where the piece is situated. There should be a looking glass inside. Use it to teleport out of the room. You will reappear within a corridor, carrying the Hydroculus and the special key. |
202 | ![]() |
Located at the entrance of the underground area in the East Slopes of Mont Automnequi. |
203 | ![]() |
Can be found underwater in ruins south of the Morte Region. You can simply swim up to it. |
205 | ![]() |
Located on an underwater arch north of the East Slopes of Mount Automnequi. |
206 | ![]() |
Located underwater, east of the East Slopes of Mont Automnequi teleport waypoint. |
208 | ![]() |
Can be found underwater to the north of the tower waypoint. Hydroculus can be obtained by destroying the massive rock. |
209 | ![]() |
Can be found just to the left of the surface waypoint of the Fort Charybdis Ruins. |
211 | ![]() |
Located by the west entrance of Fort Charybdis Ruins. The Hydroculus will be close by the shore. |
212 | ![]() |
Located underwater south of the west entrance of the Fort Charybdis Ruins. The Hydroculus is floating under a ruined underwater bridge. |
213 | ![]() |
Can be found beneath an underwater cliff southwest of the Fort Charybdis Ruins, near a seaweed clump. |
214 | ![]() |
Located floating above the east entrance of Fort Charybdis Ruins. |
Click here to open 4.6 underwater map in new tab |
The majority of the underwater hydroculus in 4.6 can be found within the Sea of Bygone Eras. Unlocking these areas require travelers to complete parts of the Canticles of Harmony quest in order to gain access.
No. | Image | How to Get |
---|---|---|
226 | ![]() |
Found directly beneath the Teleport Waypoint, inside a tiny cavern in the Path of the Ocean Pillars. |
227 | ![]() |
Located on top of the first Nameless Stone Statue in the Caesareum Palace Cave. It should be at the tip of the blade. |
228 | ![]() |
Located on top of the blazing door in the center of the Caesareum Palace. |
229 | ![]() |
Hidden behind breakable rocks inside the Caesareum Palace. |
230 | ![]() |
Located at the entrance of the Caesareum Palace Cave, which lies near the sea floor, past a big, bright, pink coral with blue seaweed coming out of it. |
231 | ![]() |
Located south of Initium Iani, inside a crevice near the Recovery Orb fish. |
232 | ![]() |
Found on top of a broken golem statue in Porticus Anticus. |
233 | ![]() |
Found inside the big bell in Portus Anticus. Use the Aqua Current to easily get to the Hydroculus. |
234 | ![]() |
Located north of Initium Iani on the higher part of the stone tower. |
235 | ![]() |
Found on the lower level of Portus Anticus, on top of a Golem Statue near some blue corals. |
236 | ![]() |
Located on top of a cliff, with a line of floating rocks nearby. |
237 | ![]() |
Located on top of the Stone Pillar west of the waypoint, surrounded by huge pink mushrooms. |
238 | ![]() |
Located near the Teleport Waypoint in Initium Iani, beneath some blue corals. |
239 | ![]() |
Found on top of a stone pillar in Initium Iani. |
240 | ![]() |
Found underneath the giant yellow plant in Initium Iani. |
241 | ![]() |
Found inside a square crevice with a blue green coral inside. |
242 | ![]() |
Found at the top of the cliff south of Initium Iani. Located near the enormous blue seaweed. |
243 | ![]() |
Located between two stone pillars in the Sea of Bygone Eras. |
244 | ![]() |
Found on top of a giant pink mushroom in Sea of the Bygone Eras. |
245 | ![]() |
Located north of Hortus Euergetis, behind a crevice behind a massive glowing flower. |
246 | ![]() |
Located north of Alta Semita near the waypoint, on top of a small stone pillar. |
247 | ![]() |
Found on top of a cliff near Alta Semita, next to a large plant. |
248 | ![]() |
Found within a clam on top of a pink mushroom south of Alta Semita, near the waypoint. |
249 | ![]() |
Located south-west of Clivus Capitolinus, near the broken bridge. You can find the Hydroculus on top of the huge orange mushrooms. |
250 | ![]() |
Can be found on top of blue corals surrounded by Fontemer Aberrants in Collegium Phonascorum. |
251 | ![]() |
Located between metal pillars inside the Collegium Phonascorum. |
252 | ![]() |
Found in Collegium Phonascorum, surrounded by a force field and guarded by two Aurum Angelfish. |
253 | ![]() |
Can be found on top of a broken pipe between Alta Semita and Collegium Phonascorum. |
254 | ![]() |
Found within a damaged pipe in the center of Alta Semita. |
255 | ![]() |
Found under a breakable rock pile at the very bottom of alta semita; smash the boulders using the nearby fontemer crab. |
256 | ![]() |
Can be seen north of Alta Semita, on top of a stone pillar next to a large plant. |
257 | ![]() |
Located behind a breakable rock. You can get the ability from the Aberrant nearby and use it to destroy the rock. |
258 | ![]() |
Located north of Alta Semita on a small stone platform over the bridge. |
259 | ![]() |
Found north of Alta Semita, between two Allochromatic Anemones under the bridge. |
260 | ![]() |
Located north of Clivus Capitolinus, inside a large clam on a pink mushroom attached to the pillar. |
261 | ![]() |
Can be found near the end of the bridge leading to the Clivus Capitolinus entrance. |
262 | ![]() |
Found east of Alta Semita on top of a Washer Octopus, which is near three Allochromatic Anemones. |
263 | ![]() |
Located east of Collegium Phonascorum, on top of a large blue plant. |
264 | ![]() |
Located south of Clivus Capitolinus, atop the smaller stone pillar on the huge pink mushroom. |
265 | ![]() |
Located south of Clivus Capitolinus, beside a treasure chest guarded by a Fontemer Crab. |
266 | ![]() |
Located south of Clivus Capitolinus, between the broken pillars near the teleport waypoint. |
267 | ![]() |
Located south-east of Clivus Capitolinus, inside a breakable rock. You can use the Aberrant Crab's abilities to destroy the rock. |
268 | ![]() |
Located on top of a tall, shattered pillar in the cave beneath the Clivus Capitolinus, in the same place as the Local Legend, Cineas. |
269 | ![]() |
located inside the narrow opening on the top of the Clivus Capitolinus Building. |
270 | ![]() |
Use the elevator within the Domus Aurea after defeating the boss in the Fortune Plango Vulnera quest. |
271 | ![]() |
Located on the stairs inside the Doumus Aurea. To access the location, complete the final part of the Canticles of Harmony Quest Chain. |
Like all other oculi, the Hydroculus is used to upgrade the Statue of the Seven in Fontaine! Upgrading the Statue of the Seven rewards you with Primogems, Shrine of Depths Keys, and Adventure EXP.
How to Level Up Statues of the Seven
There are 271 Hydroculus total found in the Fontaine region as of Version 4.6, meaning you can upgrade the Statue of the Seven in Fontaine up to its maximum level 10! You may also have 1 Hydroculus left over in your bag afterwards.
If you're finding it hard to explore the various areas of Fontaine, bring a friend or two to help you! Check out our friend request and co-op boards for potential exploration buddies:
Genshin Co-Op Boards | ||
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Lvl. | Hydroculus Required | Rewards |
---|---|---|
2 | 20 | ![]() ![]() ![]() |
3 | 22 | ![]() ![]() ![]() |
4 | 25 | ![]() ![]() ![]() |
5 | 28 | ![]() ![]() ![]() |
6 | 30 | ![]() ![]() ![]() |
7 | 32 | ![]() ![]() ![]() |
8 | 35 | ![]() ![]() ![]() |
9 | 38 | ![]() ![]() ![]() |
10 | 40 | ![]() ![]() ![]() |
Note that players who have not reached Adventure Rank 60 can still gain Adventure EXP instead of Mora from the Statue of the Seven.
Above shows the range of the Hydroculus Resonance Stone, which works similar to all the other Resonance Stones in the game.
Players can use the Hydroculus Resonance Stone to help collect Hydroculus! After crafting a Hydroculus Resonance Stone, go to your Inventory and select to use it. The map will then pull up and show you an approximate area where a Hydroculus is located.
You can get the crafting recipe for the Hydroculus Resonance Stone once you reach Reputation Level 8 in the Fontaine Reputation System.
List of Region Map Guides | |
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List of Map Guides | |
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Teyvat Oculus Guides | ||
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Dendroculus Guides | |
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Rainforest Dendroculus | All Desert Dendroculus |
Hadramaveth Dendroculus | Girdle of the Sands Dendroculus |
i already solved the seelie puzzle and i can't activate the echoing conch anymore but it still didn't teleport me. what do i do?
4.6 Hydroculus Locations and Interactive Map
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I'm trying to get #184, but I can't find it even though my Hydroculus stone says otherwise. Even the map isn't showing it.