False Appearance. While the roc lobster remains motionless, it is indistinguishable from a craggy outcropping or a small field of boulders.
Keen Sight. The roc lobster has advantage on Wisdom (Perception) checks that rely on sight.
Magic Resistance. The roc lobster has advantage on saving throws against spells and other magical effects.
Roc, Paper, Scissors. The roc lobster has advantage on attack rolls made against scissors lizards, flying swords, or any other creature that possesses anatomical blades.
Multiattack. The roc lobster makes three attacks: one with its beak and two with its pincers. It can replace either pincer attack with a talon attack if the pincer is grappling a creature.
Beak. Melee Weapon Attack: +15 to hit, reach 10', one target. Hit: 27 (4d8 + 9) piercing damage.
Pincer. Melee Weapon Attack: +15 to hit, reach 5', one target. Hit: 23 (4d6 + 9) bludgeoning damage. The target is grappled (escape DC 22). Until this grapple ends, the target is restrained, and the roc lobster can’t use that pincer on another target.
Talon. Melee Weapon Attack: +15 to hit, reach 5', one target. Hit: 23 (4d6 + 9) slashing damage.