Giant Octopus
Large beast, unaligned
STR
17
DEX
13
CON
13
INT
4
WIS
10
CHA
4
Armor Class: 11
Hit Points: 52 (8d10+8)
Speed: Walk 10 ft., Swim 60 ft.
Challenge Rating: 1 (200 XP)
Saving Throws:
Skills: Perception +4 Stealth +5
Senses: darkvision 60 ft. passive perception 14
Languages:
Hold Breath
While out of water, the octopus can hold its breath for 1 hour.
Underwater Camouflage
The octopus has advantage on Dexterity (Stealth) checks made while underwater.
Water Breathing
The octopus can breathe only underwater.
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
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.