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Monster · SRD 5.2.1

Octopus

Small beast, unaligned

Armor Class
12
Hit Points
3 (1d6)
Speed
swim 30 ft., 5 ft.
STR
4 (-3)
DEX
15 (+2)
CON
11 (+0)
INT
3 (-4)
WIS
10 (+0)
CHA
4 (-3)
Senses
darkvision 30 ft., passive perception 12
Challenge
0 (10 XP)

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.

Actions

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

Small beast, unaligned

Special Abilities

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.

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.

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This work includes material from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, available at https://www.dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/legalcode.

Reformatted and reorganized for presentation on PostRoll; text unmodified.

Licensed under Creative Commons Attribution 4.0 International.

srd-5.2.1 · Version 1.0.0 · Updated Jul 9, 2026