Leviathan

Leviathan is an ancient boss that sleeps in the bottom of the ocean.once the player has Mercurium armor this boss will resurface and sink the world until it is defeated. When awakened a message will appear saying"Ah,you have returned?.Time for you to die!"

Appearance
He looks like a giant salamander with blue fish skin,fish flippers and breathes ice and he can turn invisible every 2000 dmg inflicted on him for 20 seconds.

Stats
76 dmg (contact) 150+20+30+40+50+60(Whirlpool) Tip:
 * 200000 Hp
 * 25 defense
 * KB resistance
 * 100 dmg (Ice)
 * 300 dmg (Iceberg)
 * 44+12+6+6+8+40+7(Poisons)
 * He does a random attack pattern
 * Use equipments that increase water combat abilities.