User blog comment:Dragon´s Blade/World Coexistence Alliance/@comment-24376783-20150130140324/@comment-98.211.214.12-20150130183832

Meiri: They're pretty much what people would consider as sea golems that come from the deepest part of the sea, far from Poseidon's influence. Some look like women who have parts that look like they come from a ship while others appear more like a deep sea fish.

Yuuhi: They at one time made an attack on Sunford port and hurt a lot of people. Even had to use necromancy to bring back the two that died in that incident. According to the Kanmusu, the attack was done by a Battleship-class Abyssal.