Allosaurus

Large Beast (Dinosaur), Unaligned

AC: 13

Initiative: +1 (11)

HP: 51 (6d10 + 18)

Speed: 60 ft.

STR
19 (+4)
DEX
13 (+1)
CON
17 (+3)
INT
2 (-4)
WIS
12 (+1)
CHA
5 (-3)

Skills: Perception +5

Senses: Passive Perception 15

CR: 2 (XP 450; PB +2)

Habitat: Grassland

Actions

Bite.

Melee Attack Roll: +6, reach 5 ft. Hit: 15 (2d10 + 4) Piercing damage.

Claws.

Melee Attack Roll: +6, reach 5 ft. Hit: 8 (1d8 + 4) Slashing damage. If the target is a Large or smaller creature and the allosaurus moved 30+ feet straight toward it immediately before the hit, the target has the Prone condition, and the allosaurus can make one Bite attack against it.

Find this creature in the encounter builder

Allosaurus

Source: Monster Manual (2025), p. 348 - Licenses and attribution