Bite. Melee Attack Roll: +5 (with Advantage if the target is Grappled by a Demobat), reach 5 ft. Hit:10 (2d6 + 3) Piercing damage.
Tentacles. Melee Attack Roll: +5, reach 5 ft. Hit:7 (1d8 + 3) Slashing damage. If the target is a Medium or smaller creature, the target has the Grappled condition (escape DC 13) from all four tentacles.
Demobats are slimy, winged pests endemic to demonic realms. A demobat has four serrated tentacles, which trail behind it during flight, and its eyeless head opens wide to reveal a toothed maw. Demobats hunt in flocks, using their tails to strangle and immobilize their prey as they feed.