Grick is a Medium aberration with unaligned alignment and Challenge Rating 2 in the 2024 SRD. This stat block includes AC 14, 54 hit points, speeds, traits, and actions.
Multiattack - The grick makes one Beak attack and one Tentacles attack.
Beak - Melee Attack Roll: +4, reach 5 ft. Hit: 9 (2d6 + 2) Piercing damage.
Tentacles - Melee Attack Roll: +4, reach 5 ft. Hit: 7 (1d10 + 2) Slashing damage. If the target is a Medium or smaller creature, it has the Grappled condition (escape DC 12) from all four tentacles.