Echolocation. The bat can't use its blindsight while deafened.
Keen Hearing. The bat has advantage on Wisdom (Perception) checks that rely on hearing.
Actions
Bite. Melee Weapon Attack: +0 to hit, reach 5 ft., one creature. Hit: 1 piercing damage.
How the bat compares at CR 0
Against the 28 other challenge 0 monsters in the SRD 5.1, the bat has more hit points than 0 of them, which makes it one of the frailest at its CR. See every CR 0 monster.
Statistic
Bat
CR 0 average
Armor Class
12
11
Hit points
1
4
Best attack bonus
+0
+2
Bat 2024 stat block
The 2024 Monster Manual revised the bat, and the SRD 5.2 carries the new stat block. What changed: