Last updated: build 122.0.1

The **Ocean Trench** is a hard and high level dungeon with an underwater theme. This dungeon is for high leveled and experienced players (Suggested Level: 20 and **Defense** Maxed). Enemies have **Strong Attacks** and a lot of health and the boss does **High Damage** per bullet. The most important factor of difficulty is that players **need oxygen**. An **oxygen counter** gradually goes down until the screen flashes red, which is when characters start losing health very quickly. To refill the oxygen, characters must stand on top of certain spots of bubbles that refill the oxygen counter. The entrance to the Ocean Trench is dropped from [Hermit God](/wiki/hermit-god).

Key:

The [Ocean Trench Key](/wiki/dungeon-keys) is available in the Nexus for 250 [Realm Gold](/wiki/realm-gold).

Guide:

See the [Ocean Trench Guide](/wiki/ocean-trench-guide) for a complete walk-through on the dungeon and all its enemies.

Notes:

- Added in **Build 122**. - The boss drops the “**[Huntress](/wiki/huntress) Coral Set**”.

Example Layout of Ocean Trench:

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Screenshot of the Ocean Trench:

Enemies:

Grey Sea Slurp	Sea Slurp Home	Giant Squid
Ink Bubble	Fishman	Fishman Warrior
Sea Mare	Sea Horse	Deep Sea Beast

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Dungeon Boss:

Thessal the Mermaid Goddess

Thessal is the final boss in the Ocean Trench. She has powerful coral bombs that explode and split into multiple bombs to inflict more damage, which are nearly impossible to survive without maxed defense. These, combined with her armor breaking attacks can send brave warriors to their graves under the sea.
Thessal is currently the only boss to have a possible chance for extra loot after defeating her. At a purely random chance, Thessal will crumple over the loot bag and ask the adventurers, "Is King Alexander alive?". If you respond correctly with "He lives and reigns and conquers the world", she will thank you and spawn 3 coral gifts, otherwise she will shout "You speak LIES" and blow up. If you are standing on her when the phrase is not said within a few seconds, you will die. This scenario is close to the "Legend of Thessalonike".

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Tips and Strategies

If you are soloing, be cautious around the Sea Mare, since getting caught by the paralyzing bullets it shoots can mean death or nexusing, since there is no one safe to teleport to. Most often, 2 or 3 hearty souls will rush the dungeon while the rest of the players stay at the start. Once the rushers reach Thessal, the group at the start will teleport to the rushers. If you miss the TP, are unmaxed, or are not playing a maxed melee, it is very difficult to get soulbound damage on Thessal.

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Drops of Interest

Item	Drops From:
	Thessal the Mermaid Godess, Coral Gift
	Thessal the Mermaid Godess, Coral Gift
	Coral Gift
	Thessal the Mermaid Godess, Coral Gift
	Thessal the Mermaid Godess, Coral Gift
	Thessal the Mermaid Godess, Coral Gift
	Thessal the Mermaid Godess, Coral Gift
	Thessal the Mermaid Godess, Coral Gift
	Thessal the Mermaid Godess
	Thessal the Mermaid Godess, Coral Gift

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