Chiropteran Fiend

Binds when Picked Up Unique

Summons the Chiropteran Fiend pet.

Chiropteran Fiend
Epic

The "bat" transformation of a vampire elder can be reproduced by force-feeding young bats vampire blood

Source: Item of the month

The pet will stand beside you and occasionally flap his wings. When you're moving, he will fly behind you.

Source

"Chiropteran" is Greek from "Cheir=hand" and "pteron=wing", and is an Order of biological classification that includes bats.