Allosaurus
Large beast, unaligned
Armor Class 13 (natural armor)
Hit Points 51 (6d10 + 18)
Speed 60 ft., swim 30 ft., climb 30 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
Languages -
Challenge 2 (450 XP)
Actions
Bite. Melee Attack Roll: +6, reach 5 ft. 15 (2d10 + 4) Piercing damage.
Claws. Melee Attack Roll: +6, reach 5 ft. 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.
Attack Summary
Bite attackmelee
+6 to hit|2d10+4 piercing
Range: 5 ft.
Claws attackmelee
+6 to hit|1d8+4 slashing
Range: 5 ft.