Mercury Elemental
Unique Adventurer Pet, 10 gold. Backpack Battles item.
IconMelee/IconRanged-damage dealt: Gain 50% of the dealt damage as Block. Every 5s: Regenerate 1 stamina for each distinct Star IconMelee-Weapon. 1 stamina used: Inflict 2 Poison and 2 Poison to yourself.