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Octopath Traveler 2 (Octopath 2)

Underground Laboratory Guide: Chest Locations, Shops, Events

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★ See our Story Walkthrough and Side Story guides!
┣ Unlock the Final Chapter and get the True Ending!
┗ Learn how to beat the Secret Boss!
☆ Easily farm Money, EXP, JP, and Octopuff Travelers!
★ Best Character Tier List | Best Secondary Jobs
☆ All Guild Locations | All Altar Locations

Octopath Traveler 2 - Underground Laboratory

Underground Laboratory is one of the Castle Dungeons in the Crestlands region of Octopath Traveler 2. Read on to discover the different chests in Underground Laboratory, main quests and side stories that happen here, other points of interest, and a list of all enemies and monsters that can be found.

List of Contents

Underground Laboratory Chests

Chests in Underground Laboratory

All Chest Locations
14000 Leaves
In a room to the east near the entrance.
Octopath Traveler 2 - 14000 Leaves Location
Underground Laboratory
Bottled Nightmares
In a room north of the entrance.
Octopath Traveler 2 - Bottled Nightmares Location
Underground Laboratory
Bottled Nightmares
In a room north of the entrance.
Octopath Traveler 2 - Bottled Nightmares Location
Underground Laboratory
Fire Soulstone (L)
In a room northwest of the entrance.
Octopath Traveler 2 - Fire Soulstone (L) Location
Underground Laboratory

Underground Laboratory Path Actions

NPCs You Can Perform Path Actions on in Underground Laboratory

There are no known NPCs you can perform Path Actions to in this location.

Path Actions Guide: All Path Actions Explained

Underground Laboratory Shops

Weapons Sold in Underground Laboratory

There are no known items of this type sold in this location.

List of All Weapons

Equipment Sold in Underground Laboratory

There are no known items of this type sold in this location.

List of All Equipment

Items and Materials Sold in Underground Laboratory

There are no known items of this type sold in this location.

List of All Items, Materials, and Valuables

Underground Laboratory Side Stories

Side Stories in Underground Laboratory

There are no known Side Stories found in this location.

List of All Side Stories

Underground Laboratory Main Story Events

Story Events in Underground Laboratory

List of Chapters
Octopath Traveler 2 - Osvald Chapter 4Osvald Chapter 4 Osvald travels to Montwise to hunt down Harvey. His thirst for vengeance and retribution is close at hand. A ray of hope now flickers at the end of the tunnel.

Story Walkthrough and List of Storylines

Enemies and Monsters in Underground Laboratory

Enemy / Shield Points Details
Octopath Traveler II - Furious FungoidIconFurious Fungoid
(3 SP )
 Vulnerabilities:
Polearm Staff Wind Light
(Polearm, Staff, Wind, Light)
Tameable?: Yes
┣ Strength: 6/10★
┣ Skill: Repeated Photosynthesis (HP)
┗ Prepare: Salad x3 (Meat) Drops/Steal: Healing Grape (M)
Octopath Traveler II - Dark CuratorIconDark Curator
(2 SP )
 Vulnerabilities:
Polearm Bow Staff Light
(Polearm, Bow, Staff, Light)
Tameable?: Yes
┣ Strength: 6/10★
┣ Skill: Eternal Darkness Dark
┗ Prepare: Metal Medley x1 (Meat) Drops/Steal: Shadow Soulstone
Octopath Traveler II - Dark Guardian Mk.IIIconDark Guardian Mk.II
(4 SP )
 Vulnerabilities:
Sword Dagger Bow Light
(Sword, Dagger, Bow, Light)
Tameable?: Yes
┣ Strength: 6/10★
┣ Skill: Dark Axe (All)
┗ Prepare: Metal Medley x3 (Meat) Drops/Steal: Shadow Soulstone (M)
Octopath Traveler II - Ettin AspIconEttin Asp
(3 SP )
 Vulnerabilities:
Polearm Axe Staff Wind
(Polearm, Axe, Staff, Wind)
Tameable?: Yes
┣ Strength: 6/10★
┣ Skill: Toxic Breath (All)
┗ Prepare: Mountain Sausage x3 (Meat) Drops/Steal: Energizing Pomegranate (M)
Octopath Traveler II - Thunder CuratorIconThunder Curator
(2 SP )
 Vulnerabilities:
Polearm Bow Staff Wind
(Polearm, Bow, Staff, Wind)
Tameable?: Yes
┣ Strength: 6/10★
┣ Skill: Electrocute Lightning
┗ Prepare: Metal Medley x1 (Meat) Drops/Steal: Thunder Soulstone
Octopath Traveler II - Dread ViperIconDread Viper
(2 SP )
 Vulnerabilities:
Polearm Axe Staff Light
(Polearm, Axe, Staff, Light)
Tameable?: Yes
┣ Strength: 7/10★
┣ Skill: Venomous Fang (All) Dagger
┗ Prepare: Mountain Sausage x2 (Meat) Drops/Steal: Energizing Pomegranate
Octopath Traveler II - Sentinel Mk.IIIconSentinel Mk.II
(2 SP )
 Vulnerabilities:
Sword Polearm Axe Bow Staff
(Sword, Polearm, Axe, Bow, Staff)
Tameable?: Yes
┣ Strength: 7/10★
┣ Skill: Great Spiritual Healing
┗ Prepare: Metal Medley x2 (Meat) Drops/Steal: Ancient Sentinel Core

Underground Laboratory Connected Maps

Underground Laboratory Nearby Areas

Current Location
Octopath Traveler 2 - Underground Laboratory
Underground Laboratory
Nearby Areas
- - -
- Underground Laboratory -
- Montwise -

Octopath Traveler 2 Related Guides

Octopath Traveler 2 - Map and All Regions

Solistia Map and List of Regions

All Solistia Regions
Octopath Traveler 2 - WinterlandsWinterlands Octopath Traveler 2 - HarborlandsHarborlands Octopath Traveler 2 - BrightlandsBrightlands Octopath Traveler 2 - TotoToto'haha
Octopath Traveler 2 - WildlandsWildlands Octopath Traveler 2 - LeaflandsLeaflands Octopath Traveler 2 - CrestlandsCrestlands Octopath Traveler 2 - HinoeumaHinoeuma
Octopath Traveler 2 - Sundering SeaThe Sundering Sea

Other Crestlands Locations

List of Locations
Flamechurch Pilgrims' Way Cathedral Cellars Borderfall Western Montwise Pass
Seat of the Water Sprite Abandoned Traverse Forsaken Graveyard Western Merry Hills Pass
Flamechurch Flamechurch Cathedral Altar of the Flamebringer Montwise
Merry Hills Eastern Flamechurch Pass Abandoned Church Northern Montwise Pass
Shrine of Ul'sterra Underground Laboratory

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