Sea Serpent
From Portals of Phereon Wiki
A final evolution of a Water Spirit, it has a prerequisite of 3+ Strength genes, and for reason. In terms of pure strength it is the most powerful in the game, with a Base stat of 7 (matched only by Mantis) and a growth of 2.0. Its deadliness is only enhanced by its cleaving attacks that inflict both Poison and Bleeding.
Drops Scales and Fangs.