Giant Bat

Giant Bat is an animal mob. They are a large, passive, nocturnal flying mammal.

Combat
Giant Bats use melee and have no special abilities.

Drops
Giant Bats can drop the following items: Low chance to drop
 * Potions
 * Treasure Maps
 * Tattered Treasure Maps
 * Frayed Treasure Maps

Locations
Giant Bats can be found in the following locations:
 * Eldeir Sewers
 * Helm Sewers
 * Valus Sewers

Bugs
According to the Early Access v0.8.3 hotfix patch notes, bats can no longer be harvested. The option still appears on the context menu, but nothing happens when the action completes.