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Thessal the Mermaid Goddess is the boss of the Ocean Trench. The boss room has air sources, which are protected by a respawning Deep Sea Beast. If you are low hp, try to stay away from these as long as possible. Thessal will throw coral bombs that explode and split into 5 more bombs that explode to inflict damage. This, combined with her armor breaking attacks, can make this fight a hard one.


HP: 69000  DEF: 60  EXP: 1518  Location: Ocean Trench

Immune to Stasis  Counts to God Kills  Dungeon Boss


After loss of 59000 HP

Dying Thessal 

HP: 10000  DEF: 60  EXP: 0  Counts towards God Kills  Level 20 Quest

Occasionally, when Thessal is low on health, she will ask, "Is King Alexander alive?" If you type "He lives and reigns and conquers the world" in the chat, she will say "Thank you, kind sailor" and spawn coral gifts. Otherwise, after a few seconds or being attacked, she'll shout "You speak LIES!" and suddenly attack. If you are standing on her, you will die very quickly.


Big Coral Bomb (Turns into 5 small bombs upon detonation)

Deep Sea Beast

Coral Gift (Only when you type "He lives and reigns and conquers the world"


  • Potion of Mana
  • Coral Bow
  • Coral Venom Trap
  • Coral Silk Armor
  • Coral Ring
  • Coral Juice
  • Wine Cellar Incantation
  • Treasures
  • Sea Slurp Egg


If you want to make the fight easier, kill the Deep Sea Beasts to make it easier to stay near the Air Holes. Then, Simply attack Thessal.

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