If you're smart, you'll never board one of the leaky tubs that pass for ships on Urak. Mark me, the decision to tempt the creatures of Water may be the last dry choice you make. Not to mention that ship food ranks as the foullest slop ever to curse a dinner table. - Balathustrius

Units of the water faith have good defense skills, along with the ability to create healing potions. Trying to defeat a water army on the water is suicide.

List of Water Units and their attributes:
Lords
Barracks Units
Mage Tower Units
Thieves Guild Units
Great Temple Unit

Water Spells