★ 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
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
| All Chest Locations | |
|---|---|
|
14000 Leaves In a room to the east near the entrance. |
 EnlargeUnderground Laboratory |
|
Bottled Nightmares In a room north of the entrance. |
 EnlargeUnderground Laboratory |
|
Bottled Nightmares In a room north of the entrance. |
Enlarge Underground Laboratory |
|
Fire Soulstone (L) In a room northwest of the entrance. |
 EnlargeUnderground Laboratory |
| There are no known NPCs you can perform Path Actions to in this location. |
Path Actions Guide: All Path Actions Explained
| There are no known items of this type sold in this location. |
| There are no known items of this type sold in this location. |
| There are no known items of this type sold in this location. |
List of All Items, Materials, and Valuables
| There are no known Side Stories found in this location. |
| List of Chapters | |
|---|---|
 Osvald 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
| Enemy / Shield Points | Details |
|---|---|
 Furious Fungoid
(3 SP  ) |
Vulnerabilities:
Tameable?: Yes ┣ Strength: 6/10★ ┣ Skill: Repeated Photosynthesis (HP)
┗ Prepare: Salad x3 (Meat)
|
 Dark Curator
(2 SP ) |
Vulnerabilities:
Tameable?: Yes ┣ Strength: 6/10★ ┣ Skill: Eternal Darkness
┗ Prepare: Metal Medley x1 (Meat)
|
 Dark Guardian Mk.II
(4 SP ) |
Vulnerabilities:
Tameable?: Yes ┣ Strength: 6/10★ ┣ Skill: Dark Axe (All)
┗ Prepare: Metal Medley x3 (Meat)
|
 Ettin Asp
(3 SP ) |
Vulnerabilities:
Tameable?: Yes ┣ Strength: 6/10★ ┣ Skill: Toxic Breath (All)
┗ Prepare: Mountain Sausage x3 (Meat)
|
 Thunder Curator
(2 SP ) |
Vulnerabilities:
Tameable?: Yes ┣ Strength: 6/10★ ┣ Skill: Electrocute
┗ Prepare: Metal Medley x1 (Meat)
|
 Dread Viper
(2 SP ) |
Vulnerabilities:
Tameable?: Yes ┣ Strength: 7/10★ ┣ Skill: Venomous Fang (All)
┗ Prepare: Mountain Sausage x2 (Meat)
|
 Sentinel Mk.II
(2 SP ) |
Vulnerabilities:
Tameable?: Yes ┣ Strength: 7/10★ ┣ Skill: Great Spiritual Healing
┗ Prepare: Metal Medley x2 (Meat)
|
| Current Location | ||
|---|---|---|
 Enlarge |
||
| Nearby Areas | ||
| - | - | - |
| - | Underground Laboratory | - |
| - | - | - |
Solistia Map and List of Regions
| All Solistia Regions | |||
|---|---|---|---|
 Winterlands |
 Harborlands |
 Brightlands |
 Toto'haha |
 Wildlands |
 Leaflands |
 Crestlands |
 Hinoeuma |
 The Sundering Sea |
|||
Underground Laboratory Guide: Chest Locations, Shops, Events
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