Large Beast, unaligned
Armor Class 13
Hit Points 60 (8d10+16)
Speed fly +60, walk +10
Challenge 2
Senses blindsight 60 ft., passive Perception 11
Languages -
Echolocation. The bat can't use its blindsight while deafened.
Keen Hearing. The bat has advantage on Wisdom (Perception) checks that rely on hearing.
Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage plus 7 (2d6) necrotic damage and the target is grappled (escape DC 13). Until this grapple ends, the target is restrained, and the bat can't bite another target. The bat regains hp equal to the necrotic damage dealt.
Source: Creature Codex · OGL/Open