Animatronic Allosaurus

Large Construct, Unaligned

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

If the animatronic allosaurus moves at least 30 feet straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is prone, the allosaurus can make one bite attack against it as a bonus action.

Actions

Bite.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 15 (2d10 + 4) piercing damage.

Claw.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage.

Find this creature in the encounter builder

Animatronic Allosaurus

Source: Keys from the Golden Vault, p. 22 - Licenses and attribution