Aquataneous

Aquataneous is a Water Chaos biome exclusive boss. After he is defeated, the biome changes to normal, and all the players will be given a fragment for chaos tier items.

Stats
He has around 300k HP

He isn't very fast

All of his attacks deal a lot of damage

Attacks

 * He will start exploding with big blue loud explosions (they can stun you)
 * He will explode with a big grey explosion (stuns you a lot)
 * A single wave
 * Lots of waves
 * Quick short-distance teleportation

Drops
Dark Typhoon (Aquataneous)