Actions

Multiattack. The Spinosaurus makes three attacks: one with its bite and either two with its claws or one with its claws and one with its tail. Its tail and claws cannot be used on the same target as the bite.   Bite. Melee Weapon Attack: +9 to hit, reach 10 ft, one target. Hit 31 (4d12+5) 4d12+5 piercing damage. If the target is medium or smaller, it is grappled (DC 16 to escape). Until this grapple ends the target is restrained, and the Spinosaurus can't bite another target.   Claws. Melee Weapon Attack: +9 to hit, one target. Hit: 14 (3d6+5) 3d6+5 slashing.   Tail. Melee Weapon Attack: +9 to hit, reach 10 ft, one target. Hit: 18 (3d8+5) 3d8+5 bludgeoning.