AC 11
HP 32 (5d10+5; bloodied 16)
Speed 10 ft., swim 60 ft.
Proficiency +2; Maneuver DC 13
Skills Stealth +3 (+1d4)
Senses darkvision 60 ft., passive Perception 11
Languages —
Camouflage. The octopus has advantage on Stealth checks.
Water Breathing. The octopus breathes water and can hold its breath for 1 hour while in air.
ACTIONS
Tentacles. Melee Weapon Attack: +5 to hit, reach 15 ft., one target. Hit: 8 (2d4+3) bludgeoning damage. If the target is a creature, it is grappled (escape DC 13). Until this grapple ends, the target is restrained , and the octopus can’t attack a different target with its tentacles.
BONUS ACTIONS
Ink Cloud (1/Day). If underwater, the octopus exudes a cloud of ink in a 20-foot-radius sphere, extending around corners. The area is heavily obscured for 1 minute unless dispersed by a strong current.
Beasts are natural animals whose existence and abilities are nonmagical. A bear and a tyrannosaurus rex are both beasts.