Octopus

Stats for Octopus were missing in 5.2. (errata 5.2.1)

Small Beast, Unaligned
AC 12    Initiative +2 (12)
HP 3 (1d6)
Speed 5 ft., Swim 60 ft.

		MOD	SAVE				MOD	SAVE
STR	4	-3	-3		INT	3	-4	-4
DEX	15	+2	+2		WIS	10	+0	+0
CON	11	+0	+0		CHA	4	-3	-3

Skills Perception +2, Stealth +6
Senses Darkvision 30 ft.; Passive Perception 12
Languages None
CR 0 (XP 10; PB +2)

Traits

Compression. The octopus can move through a space as narrow as 1 inch without expending extra movement to do so.

Water Breathing. The octopus can breathe only underwater. It can hold its breath for 1 hour outside water.

Actions

Tentacles. Melee Attack Roll: +4, reach 5 ft. Hit: 1 Bludgeoning damage.

Reactions

Ink Cloud (1/Day). Trigger: A creature ends its turn within 5 feet of the octopus while underwater. Response: The octopus releases ink that fills a 5-foot Cube centered on itself, and the octopus moves up to its Swim Speed. The Cube is Heavily Obscured for 1 minute or until a strong current or similar effect disperses the ink.