- "Overgrown newt. Like all creatures it has a weak spot between its ears; target its head master!"
- — Gnarl.
Water Serpents are giant snakes that inhabit the waters in and around Heaven's Peak, but most of them are found in Heaven's Peak Understreets.
These large, vicious creatures will attack anything that gets too close. They will linger for a while after each strike, making them vulnerable for a counter-attack. Battling them is best to be done with the Overlord, however, as they will eat any unfortunate Minions that get too close.