Multiattack

The blemmyes makes one Bite attack and two Slam attacks.

Bite

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 19 (4d6 + 5) piercing damage. If the target is incapacitated and a Medium or smaller creature, the target is swallowed. A swallowed creature is blinded and restrained, it has total cover against attacks and other effects outside the blemmyes, and it takes 14 (4d6) acid damage at the start of each of the blemmyes' turns. The blemmyes can have only one target swallowed at a time.

Slam

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage. If the target is a creature, it must succeed on a DC 16 Wisdom saving throw or be stunned until the end of its next turn.

Rock

Ranged Weapon Attack: +8 to hit, range 30/120 ft., one target. Hit: 27 (4d10 + 5) bludgeoning damage. If the target is a creature, it must succeed on a DC 16 Wisdom saving throw or be frightened until the end of its next turn.