Aquatic companions

Characteristics

 * Passive ability: Purity - Harmful damage over time effects are reduced by 50% on Aquatic pets.
 * Takes 150% damage from Flying abilities
 * Takes 67% damage from Undead abilities
 * Deals 150% damage to Elemental companions
 * Deals 67% damage to Magical companions

List

 * Notes:
 * Companions with can battle.
 * Companions with can't battle.
 * Companions with can be traded.
 * Companions with can't be traded.