Melee Weapon Attack: +7 to hit, reach 15 ft., one target. Hit: 13 (2d8 + 4) piercing damage. If the target is a Medium or smaller creature, it is grappled (escape DC 15). Until this grapple ends, the target is restrained and the piasa can't make tail attacks against other targets. When the piasa moves, any Medium or smaller creature it is grappling moves with it.