Weekly Beasties – Insidious Cloaker

Weekly Beastie

11550 Cloaker_AIf you want further proof that D&D monsters are absolutely bananas, check out the cloaker. This classic creature resembles a large cape, and spends its time hiding among piles of clothes, waiting for an unsuspecting adventurer to try it on. Of course, the moment anyone approachs, it cuts loose with a sonic attack that risks dispatching the party before swooping in like a bizarre manta ray vampire.

Isn’t it great?

Today we’re putting our own spin on cloakers with the “Insidious Cloaker” – a spellcasting iteration which takes psychic control of its wearer. Imagine your party being hired to track down a rogue spellcaster, only to realize his sentient cape was behind it all. Although if you try to unmask it Scooby-Doo style, it’ll probably bite your hand off.

Like the Cursed Allip, this cloaker artwork is provided by the folks at ArcKnight, who producer Flat Plastic Miniatures and other RPG supplements. Visit their site for a cloaker of your own!

A pay-what-you-want, OGL compatible PDF of the Insidious Cloaker can be found at DriveThruRPG. You can also support our Weekly Beasties by giving to our Patreon page. The Beastie itself can be found below:

Large aberration, chaotic neutral

Armor Class 19 (natural armor)

Hit Points 42 (4d8 + 18)

Speed 10 ft., fly 40 ft.

STR 16 (+3) DEX 16 (+3) CON 17 (+3) INT 14 (+2) WIS 16 (+3) CHA 15 (+2)

Saving Throws Constitution +5, Dexterity +6, Wisdom +6

Skills Stealth +6, Perception +6

Senses Passive Perception 16

Proficiency Bonus +3

Challenge Rating 5 (1,800 XP)

Innate Spellcasting. The insidious cloaker’s innate spellcasting ability is Wisdom (spell save DC 14, +6 to hit with spell attacks). The insidious cloaker can innately cast the following spells, requiring no material components.

At will: Fire Bolt, Light, Ray of Frost.
1/day each: Witch Bolt, Invisibility, Suggestion, Vampiric Touch, Banishment, Dominate Person.

Multiattack. An insidious cloaker may attack using Bite and Whiplike Tail during the same turn.

Moan. An insidious cloaker can emit a dangerous subsonic moan as a standard action. Insidious cloakers are immune to these sonic attacks. Any creature within 30 feet of the moan who fails a DC 14 Wisdom roll is paralyzed for 2 rounds, and subsequently takes -2 to all attack checks and saving throws for another 3 rounds. Any creature who succeeds at this roll is immune to further Moans until their next long rest.

If a paralyzed character is engulfed by the insidious cloaker and fails another 2 Wisdom checks, it falls under the insidious cloaker’s power. When the character awakes it is wearing the insidious cloaker as a cape and must follow its mental commands until the insidious cloaker releases it or is killed. All attacks made by other characters against the enthralled creature target its AC and Hit Points, unless the attacker specifies it is attacking the insidious cloaker.

Engulf. An insidious cloaker can try to wrap a Medium or smaller creature in its body as a standard action. The insidious cloaker attempts a grapple that does not provoke an attack of opportunity. If it wins the grapple, it establishes a hold and may bite the engulfed victim with a +6 attack bonus. It can still use its Whiplike Tail to strike at other targets. Attacks that hit an engulfing cloaker deal half damage to the trapped victim.


Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 2d6 + 3 piercing damage.

Whiplike Tail. Melee Weapon Attack: +5 to hit, reach 5ft., one target. Hit: 2d8 + 3 slashing damage.

If you try on clothing items found in a dungeon, and refuse to examine them closely, you may find a cloaker’s eyes staring back at you. Seemingly evolved – or perhaps engineered – to resemble ordinary capes, these creatures wait until adventuring parties get close before unleashing a powerful sonic attack that leaves them disoriented. Some slave-based societies permanently leave their charges among cloakers to keep prisoners tame and submissive.

Yet cloakers can still find ways to surprise experienced parties. The Insidious Cloaker has enhanced its powers to forge a psychic connection with a single target, guiding host as though it were its own body. Only a close examination of the victim’s cloak can reveal the eyes which give its presence away.

Many bounties have been placed on rogue spellcasters over the years, only for their hunters to discover an Insidious Cloaker was the culprit – usually after it had switched hosts and escaped.



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