- "An enormous ocean-dwelling creature with a long, snake-like body."
- —Description in the game
The Sea Serpent is an aquatic magical beast found in several seas around the world. They can be bought in the Magical Creatures Reserve in the Open Ocean environment for 60 Red Notebooks, 45 Blue Notebooks, and 20 Gold Notebooks. The Magizoologist level you need to unlock this creature is Level 3.
Description[]
The Sea Serpent has a mermish name, Kyee-oo. If the Main Character adopts a sea serpent, they will bond and feed it. Eventually this will lead to reaching a Max Level with the creature.