Rundown. If the 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 14 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.

Beast of Burden. The allosaurus is considered to be a large animal for the purpose of determining its carrying capacity.

Combative Mount. A trained dinosaur is proficient with light, medium, and heavy armor.

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 15 (2d10 + 7) piercing damage.

Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 7) slashing damage.

Tail. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 8 (1d8 + 5) bludgeoning damage.