Giant Rocktopus

Large Beast, Unaligned

AC: 11

Initiative: +1 (11)

HP: 52 (8d10 + 8)

Speed: 20 ft., climb 10 ft.

STR
17 (+3)
DEX
13 (+1)
CON
13 (+1)
INT
4 (-3)
WIS
10 (+0)
CHA
4 (-3)

Skills: Perception +4, Stealth +5

Senses: darkvision 60 ft., Passive Perception 14

CR: 1 (XP 200; PB +2)

Habitat: Underwater

Camouflage.

The octopus has advantage on Dexterity (Stealth) checks.

Actions

Tentacles.

Melee Weapon Attack: +5 to hit, reach 15 ft., one target. Hit: 10 (2d6 + 3) bludgeoning damage. If the target is a creature, it is grappled (escape DC 16). Until this grapple ends, the target is restrained, and the octopus can't use its tentacles on another target.

Ink Cloud (Recharges after a Short or Long Rest).

A 20-foot-radius cloud of ink extends all around the octopus if it is underwater. The area is heavily obscured for 1 minute, although a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Find this creature in the encounter builder

Giant Rocktopus

Source: Out of the Abyss, p. 28 - Licenses and attribution