Kraken

One Large or smaller object held or creature grappled by the kraken is thrown up to 60 feet in a random direction and knocked prone. If a thrown target strikes a solid surface, the target takes 3 (1d6) bludgeoning damage for every 10 feet it was thrown. If the target is thrown at another creature, that creature must succeed on a DC 18 Dexterity saving throw or take the same damage and be knocked prone.

The kraken throws a Large or smaller creature Grappled by it to a space it can see within 60 feet of itself that isn’t in the air. Dexterity Saving Throw: DC 25, the creature thrown and each creature in the destination space. Failure: 18 (4d8) Bludgeoning damage, and the target has the Prone condition. Success: Half damage only.

The kraken makes three tentacle attacks, each of which it can replace with one use of Fling.

The kraken makes two Tentacle attacks and uses Fling, Lightning Strike, or Swallow.

Melee Weapon Attack: +17 to hit, reach 30 ft., one target. Hit: 20 (3d6 + 10) bludgeoning damage, and the target is grappled (escape DC 18). Until this grapple ends, the target is restrained. The kraken has ten tentacles, each of which can grapple one target.

Melee Attack Roll: +17, reach 30 ft. Hit: 24 (4d6 + 10) Bludgeoning damage. The target has the Grappled condition (escape DC 20) from one of ten tentacles, and it has the Restrained condition until the grapple ends.