Chuul
Large Aberration
Armor Class 16
Hit Points 93 (11d10+33)
Speed swim +40, walk +30
Challenge 5
Damage Immunities poison
Condition Immunities frightened, poisoned
Senses darkvision 60 ft., passive Perception 13
Languages understands Deep Speech but can't speak
Special Abilities
Amphibious. The chuul can breathe air and water.
Detect Magic. The chuul senses a magical aura around any visible creature or object within 120 feet that bears magic.
Actions
Multiattack. If the chuul is grappling a creature it uses its tentacle on that creature. It then makes two pincer attacks.
Pincer. Melee Weapon Attack: +7 to hit, reach 5 ft., one Large or smaller target. Hit: 11 (2d6 + 4) bludgeoning damage. If the target is a creature it is grappled (escape DC 15). When carrying a grappled creature the chuul can move at full speed. A pincer that is being used to grapple a creature can be used only to attack that creature.
Tentacle. A grappled creature makes a DC 14 Constitution saving throw. On a failure it is paralyzed for 1 minute. The creature repeats the saving throw at the end of each of its turns ending the paralysis on a success.
Source: Level Up Advanced 5e Monstrous Menagerie · OGL/Open