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monster

Otherworldly Corrupter

Otherworldly Corrupter
Otherworldly Corrupter
CR 17
Small Aberration, Chaotic Evil
Reveal Stat Block
Armor Class
19 (natural armor)
Hit Points
217 (29d8 + 87)
Speed
40 ft., climb 40 ft.
str
12
+1
dex
22
+6
con
16
+3
int
22
+6
wis
18
+4
cha
20
+5

Traits

Alien Mind.Magic and other features can't determine the corrupter's creature type. If a creature tries to read the corrupter's thoughts, that creature must succeed on a 20 Intelligence saving throw or have the stunned condition for 1 minute. The stunned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Legendary Resistance (3/Day).If the corrupter fails a saving throw, it can choose to succeed instead.
Spider Climb.The corrupter can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Actions

Multiattack.The corrupter makes three Whispering Blade attacks and can use Debilitating Touch.
Whispering Blade.mw,rw 12 to hit, reach 5 ft. or range 60 ft., one target. ({@damage 1d8 + 6) piercing damage plus 14 (4d6) psychic damage. If the target is a creature, it must succeed on a 20 Wisdom saving throw or be unable to speak until the start of the corrupter's next turn.
Debilitating Touch.The corrupter's squirming tentacle lashes out at a creature the corrupter can see within 30 feet of itself. The target must succeed on a 20 Constitution saving throw or have the paralyzed condition until the end of its next turn, after which the target is immune to this Debilitating Touch for 24 hours.
Legendary Actions.The creature can take 3 legendary actions...
Cunning.The corrupter escapes nonmagical restraints and ends the grappled and restrained conditions on itself, then moves up to its speed without provoking opportunity attacks.
Stab (Costs 2 Actions).The corrupter makes one Whispering Blade attack.
Amorphous Escape (Costs 3 Actions).The corrupter dissolves into a shifting mass of flesh, tentacles, eyes, claws, and mouths. Up to two creatures the corrupter can see within 20 feet of itself must make a 20 Intelligence saving throw, taking 18 (4d8) psychic damage on a failed save, or half as much damage on a successful one. This transformation lasts until the end of the corrupter's next turn. While transformed, the corrupter has advantage on attack rolls, attack rolls made against it have disadvantage, and it can move through spaces at least 1 inch wide without squeezing.
Reactions.Reactions the creature can take:
Uncanny Dodge.When an attacker the corrupter can see hits the corrupter with an attack, the corrupter halves the attack's damage against it.

Otherworldly Corrupter

A challenge for tier 3 play (levels 11 to 16), the otherworldly corrupter is a horrific Aberration that infects or impersonates a host.

The Rogue's Lair

This villain resides in a place of power and safety, whether that's a hidden thieves' guildhall or a lavish manse. The lair is filled with clever defenses to disorient, weaken, and kill intruders.

The villain's challenge rating increases while the villain is in this lair: