Sea Cavern Area Guide – Octopath Traveler 0

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Welcome to NGB and our guide on the Sea Cavern area in Octopath Traveler 0. This area features a variety of enemies, valuable crafting materials, and useful treasure chests. Whether you’re looking to level up, stock up on items, or find rare resources, this guide will help you navigate the Sea Cavern efficiently, exploit enemy weaknesses, and make sure you don’t miss any rewards.

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Sea Cavern Area Guide

Treasure Chests

Octopath Traveler 0 Sea Cavern

Thoroughly explore the Sea Cavern to find these chests:

  • Shadow Soulstone (L)
  • Critical Nut (L)
  • Rainbow Robe
  • Bottle of Blinding Dust
  • Adamantine Bow (Guarded by Elite Enemy)
  • Blue Chest (Guarded by Elite Enemy)
    • Fading Strike Mastery – SP Cost: 32 / Deal axe damage to a foe 3 times. Restore own HP if attacking from the back row.

Enemies and Weaknesses

Understanding enemy vulnerabilities is essential for quick and efficient battles. The following table summarizes the foes you’ll encounter in the Sea Cavern:

EnemyVulnerability
Cetus MaximusSword, Polearm, Axe, Light, Dark
Killer ChameleonAxe, Staff, Ice, Dark
Mossy TortoiseSword, Dagger, Tome, Ice, Wind
Reaper CrabDagger, Polearm, Axe, Staff, Lightning
Stormy Sea Birdian IIISword, Tome, Lightning, Dark

Tips for battling enemies: Use weapons that exploit their weaknesses for faster battles and to break shields.

Elite Enemies

Elite Enemies are powerful foes that lurk within dungeons. The icon’s color represents the enemy’s strength.

  • Blue = Weak
  • Yellow = Moderate
  • Red = Strong

Defeat them to obtain valuable items that can be used to improve Wishvale’s facilities. Make sure to be fully prepared before taking them on!

Menacing Stormy Sea Birdking I

Sea Cavern Octopath Traveler 0
ShieldVulnerability
14Polearm, Bow, Tome, Lightning

Menacing Ettin boa

Sea Cavern Elite Enemies

For this fight, the Elite Enemy inflicts poison on the whole front row and gets two actions per turn.

ShieldVulnerability
26Polearm, Axe, Fire, Light

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