Melee Weapon Attack: +11 to hit, reach 15 ft., one target. Hit: 13 (1d12 +7) bludgeoning damage and the target is grappled (escape DC 19) by the shrroth. The shrroth has six tentacles and can only grapple up to six creatures at a time. A creature that starts its turn grappled by the shrroth suffers 9 (2d8) bludgeoning damage. Each tentacle has an AC of 20, 15 hit points, and immunity to poison and psychic damage. Severing or destroying a tentacle deals no damage to the shrroth and severed tentacles regrow at a rate of one per day.