Multiattack

The giant makes two Stony Fist or Rock attacks.

Stony Fist

_Melee Weapon Attack:_ +9 to hit, reach 10 ft., one target. _Hit:_ 24 (4d8+6) bludgeoning damage. The target is grappled (escape DC 17) if it is a Large or smaller creature and the stone giant isn't already grappling a creature.

Rock

_Ranged Weapon Attack:_ +9 to hit, range 60/240 ft., one target. _Hit:_ 28 (4d10+6) bludgeoning damage. If the target is a creature, it must succeed on a DC 17 STR save or be knocked prone.