Large Beast
Armor Class 13
Hit Points 16 (3d10)
Speed fly +60, walk +10
Challenge 1/4
Senses blindsight 60 ft., passive Perception 11
Echolocation. The bat can't use blindsight while deafened.
Keen Hearing. The bat has advantage on Perception checks that rely on hearing.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6+2) piercing damage.
Source: Level Up Advanced 5e Monstrous Menagerie · OGL/Open