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◆ Latest: 5.3 Livestream, 5.3 Livestream Codes
◆ Builds: Neuvillette, Zhongli, Chasca, Ororon, Lyney
◆ Natlan: Tenebrous Papilla, Pyroculi, Natlan Quests
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◆ Future: Version 5.3, Mavuika, Citlali, Lan Yan
Furnace of Fiery Embers in Genshin Impact are hidden locations that require players to solve Iridescent Inscription puzzles. See all Fiery Embers locations, how to get the free 4-star sword, and all known info about this puzzle here in this guide!
List of Contents
| List of All Furnace of Fiery Embers Locations | ||
|---|---|---|
 |
||
| Furnace 1 | Furnace 2 | Furnace 3 |
| Furnace 4 | Furnace 5 | - |
All Furnace of Fiery Embers are located in Ochkanatlan, which means you first have to unlock the area before accessing each location! Keep in mind that the Furnaces can be done in any order, however, for the sake of this guide, we numbered for easier reference!
Natlan Interactive Map and Location
| How to Activate Furnace 1 | |
|---|---|
| 1 |  All Furnaces of Fiery Embers are located on the island of Ochkanatlan, with the first found in the southwestern portion of the island's main body. |
| 2 |  After interacting with the sigil to enter the Furnace, approach the sigil again and watch it move away. |
| 3 |  Indwell a Yumkasaurus from the Spiritsconce, then pull the nearby hook to open the gate and walk through it. |
| 4 |  On the other side of the gate, pull the hook to open it again, then quickly use the Yumkasaurus' ability take the red ball and walk past the gates before they close. |
| 5 |  Aim the red ball at the target using the Yumkasaurus' ability, then fire. Afterwards, grapple upwards with the Yumkasaur and continue to follow the sigil. |
| 6 |  Use the elevator at the end of the hallway to reach a new area. Here, use the lever on the east side of the room to turn the mechanism until it faces its western counterpart. |
| 7 |  Pick up the bue ball, then walk to the gate on the western side of the room. From here, shoot the ball at the eastern mechanism, which will pass it to the western mechanism. Pull the hook to open the gate to ensure that the projectile hits the target. |
| 8 |  Get the sigil that moved behind the western gate, then follow it to the center of the room. |
| 9 |  After the barrier drops, pull down the hook on the ceiling to lower the third mechanism. Quickly pick up the blue ball and fire it through this mechanism to unlock the last gate. |
| 10 |  Get the sigil behind the middle gate, as well as the nearby Pyroculus. Claim the rewards once both sigils reach the center of the room, then leave by using the Qucusarus Spiritsconce. |
| How to Activate Furnace 2 | |
|---|---|
| 1 |  The next Furnace is located at the tip of the northernmost part of Ochkanatlan. Note that the upper teleporter only appears during the unlocking of the Furnace, so use the lower one as indicated. |
| 2 |  Indwell an Iktomisaurus and use its ability on the hoop above the locked door. Open the chest inside to cause the floor to crumble, and fall down the hole. |
| 3 |  Follow the Sigil until it activates a fireball mechanism. Take cover from the blasts, then use the Iktomisaurus' normal attack to hit the blue crystal. Then, use its ability to scan the hoop above the fireball mechanism. |
| 4 |  Use the Iktomisaurus' high jump to go above the fireball mechanism, and then drop down onto it to disable it. Then, use the elevator to go down to the next area. Note: There is a hidden area accessible via a broken wall while going down the elevator. Face northward to find the crack. |
| 5 |  Approach the Sigil in the new area, which causes it to move away again. Another fireball mechanism and blue crystal appear shortly after. Wait for the crystal to get hit by a fireball, then use the Iktomisaurus' ability on the hoop that forms afterwards. |
| 6 |  After the pillar rises, scan the purple Spiritsconce on the right side of the room to boost the Iktomisaurus' high jump. Use the boosted jump to get on top of the pillar, and touch the Sigil to get teleported. |
| 7 |  Defeat the Secret Source Automaton Hunter-Seeker, then interact with the the Sigil and follow it all the way back down. |
| 8 |  Once in this underground area, use the nearby mechanism to open the door and have the second sigil move forward. Once both sigils reach the central platform, open the chest and leave by using the updraft as a Qucusaurus. |
| Step | Guide |
|---|---|
| 1 |  Teleport to the marked waypoint and defeat the Tenebrous Mimiflora guarding the young Tepetlisauri. You'll then see a group of Tepetlisaurus Whelps guarded by two-purplish Tepetlisaurus a couple of steps away from the Waypoint. |
| 2 |  Once the Tenebrous Mimiflora have been defeated, open the chest that appears for a brief cutscene. Head to the newly-opened cave afterwards. |
| 3 |  Follow the cave all the way to the bottom. Indwell a Tepetlisaurus Spiritsconce at the bottom, and use its ability to burrow into the ground. Then, while burrowed, use a normal attack beside four of these glowing cubes. |
| 4 |  Hitting all four cubes will open another section of the cave. Head this way and defeat the Ruin Grader, then open the chest and touch the Sigil once it's been defeated. |
| 5 |  The Sigil will break the barrier on the right, and go up. Indwell a Tepetlisaurus and follow it through the fissure in the wall. |
| 6 |  Touch the Sigil again, and it will continue to go upwards. Using the elevator nearby will send you back down to the first floor, behind the left barrier. Touch the Sigil here, and it will follow the path of the first Sigil, also going up. Follow it back upstairs using the same fissure. |
| 7 |  Touch the Sigil again on the second floor, then use the elevator. This time, it will go up, leading you to both Sigils. Touch them both to send them to the pedestal in the adjacent room. |
| 8 |  Claim your rewards when both Sigils disappear, then leave by indwelling a Qucusaurus and using the updraft. |
| How to Activate Furnace 4 | |
|---|---|
| 1 |
 The fourth furnace is located on an island to the southeast of Ochkanatlan. You can get to this location by flying as a Qucusaurus from the teleport waypoint found northwest of the island. |
| 2 |
 Defeat the Cryo Abyss Mage to unlock the challenge marker. |
| 3 |
 Transform into a Qucusaurus and fly towards both sigils and activate them. The first sigil is on top of an obelisk in the middle of the island, and the second is below the broken bridge near the teleport waypoint. |
| 4 |
 Return to the challenge marker and you'll find it bears a check mark. Hit Start and the Ruin Grader will engage. Defeat it to activate the fourth furnace, then claim your rewards from the Luxurious Chest. Note: From here, you can directly fly north to activate the fifth furnace. |
| How to Activate Furnace 5 | |
|---|---|
| 1 |
 The fifth furnace is located on the easternmost island of Ochkanatlan. You can get to this location by flying as a Qucusaurus from the fourth furnace. |
| 2 |
 Hop off the northern side of the cliff after touching the sigil. Defeat the Ruin Drake - Earthguard at the bottom to unlock the chest. |
| 3 |
 Head east and transform into a Koholasaurus using the Spiritsconce by the water. Break all of the floating objects as you make a lap around the island. |
| 4 |
 A Spiritway will appear when you've successfully broken all the floating objects surrounding the island. Proceed inside to get transported to a floating island. |
| 5 |
 When you arrive at the floating island, activate the teleport waypoint and touch the sigil to activate the fifth furnace. Open the Precious Chest to receive a Crimson Obsidian Fragment which is used to create a Crimson Obsidian Ring. |
| 6 |
 The local legend Bronzelock will power up as you approach it. Defeat it to earn the achievement Bronzelock, rewarding you with 5 Primogems. |
| 7 |
 Turn south, transform into a Qucusaurus, and return to the fifth furnace. Claim your rewards from the Exquisite Chest. |
You can get a free copy of the 4-star sword Flute of Ezpitzal after completing all the challenges on all the Furnace of Fiery Ember locations. All you have to do is to draw sword surrounded by all the Iridescent Inscriptions in Ashflow Street, to get teleported to the location of the Tonatiuh, where the free sword is located!
| How to Get the Free 4-Star Sword | |
|---|---|
| 1 |  Go to Ashflow Street by using the Waypoint in the Cradle of Dreams. For reference, simply use the Waypoint indicated on the image above. |
| 2 |  While facing southeast, jump all the way down to Ashflow Street, and head towards the left side of the nearby waterfall. There should be a bunch of floating Inscriptions, as well as a Pyroculus, if you haven't claimed it yet. |
| 3 |  Then, draw the buried sword in the middle of the pedestal to get teleported to a floating platform. There's a Luxurious Chest nearby which may give you a Crimson Obsidian Fragment, and the Flute of Ezpitzal should be floating steps away from it. |
The first screenshot of Furnace 3 is misleading, you need to look south from the waypoint, but the position marker looks north.
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thank you for this. i could do all the quest and now i got this new sword.. but i want to know who is the one deserving it. it is DEF after all.... and you can't refine it.