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: +4 to hit, reach 5 ft., one creature. Hit: 5 (1d6 + 2) piercing damage.
How many giant bats for a fight?
A giant bat is worth 50 XP. Using the 2024 encounter budgets (SRD 5.2), this is how many giant bats fit each difficulty for a party of four characters of the same level. A dash means even one would be over the budget.
Party level
Low
Moderate
High
1st
4
6
8
2nd
8
12
12+
3rd
12
12+
12+
Budgets add up every monster’s XP, so you can swap some for other creatures of the same total. Try other party sizes and mixes in the encounter calculator.
How the giant bat compares at CR 1/4
Against the 31 other challenge 1/4 monsters in the SRD 5.1, the giant bat has more hit points than 26 of them, which makes it one of the toughest at its CR. See every CR 1/4 monster.
Statistic
Giant Bat
CR 1/4 average
Armor Class
13
11.7
Hit points
22
15
Best attack bonus
+4
+4
Giant Bat 2024 stat block
The 2024 Monster Manual revised the giant bat, and the SRD 5.2 carries the new stat block. What changed: