Flying subterranean bats, Bat Mantas are hostile creatures living in the Underground Realm of the Gnomes. Though Bat Mantas are typically black, there is also an albino variety. Both types camouflage themselves amongst the stalactites of the caverns in which they live, and drop down on their unsuspecting victims. They are able to fire bolts of lightning from their tails.
Bat Mantas are a monster that can be encountered in the Underground Realm of the Gnomes in King's Quest: Mask of Eternity.