Large Undead, Chaotic Evil
Armor Class 8
Hit Points 150 (20d10)
Speed 20 ft.
STR
12 (+1)
DEX
16 (+3)
CON
15 (+2)
INT
18 (+4)
WIS
18 (+4)
CHA
10 (+0)
Saving Throws STR +5, CON +6
Damage Vulnerabilities Fire
Damage Resistances Psychic
Condition Immunities Blinded, Frightened
Senses Darkvision 60 ft., Passive Perception 14
Languages Doesnt understand any language
Challenge 10 (5,900 XP)
Proficiency Bonus +4
Traits

Teleportation. The "Brain of Cthulhu" can teleport up to a radius of 30ft freely, it cannot teleport within 10ft of an opponent or inside objects.

Creeper Summoning. The "Brain of Cthulhu" can at the moment of an encounter summon 1-6 "Eye creepers" the number is determined at the beginning of an encounter by throwing 1d6.

Actions

Cortex Cuts. Melee Weapon Attack: +3 to hit, reach 10 ft, 2 targets. Hit:22 (3d12 +1) Slashing damage

Lobe Slam. Melee Weapon Attack: +1 to hit, reach 10 ft, 2 targets. Hit:14 (2d12 +1) Slashing damage

Psychotic Brainwave (2/day). The Brain of Cthulhu unleashes a brainwave from its interior. All creatures that are not undead or constructs within a 30ft radius of the Brain must make a DC:12 Constitution saving throw. On a success, the creature must take (3d12) psychic damage. On a failure, creature will drop to 0 hit points.

 

Description

 

The reanimated brain parts of a fallen elder being, it is a being of pure malice, which seeks to consume and destroy everything in its path and infect it, turning it into an evil deformed version of what it had once been.

The Brain is highly powerful and durable, and will usually attack along with of 1-6 "Eye Creepers" (see their page) as it has the power to summon them before a fight.

(note that if this is used in a campaign, there can only be 1-4 brain of Cthulhu's, as there is only so much lobes a fallen elder being can have.)

Lair and Lair Actions

Crimson Caves. The Brains of Cthulhu inhabit caves dug up by them through the centuries. These caves are corrupted by a desease that affects the very earth. The Crimson caves' walls are stained with the blood of the infection and those corrupted by it, hence it's name "Crimson"

Crimson blood. An acid blood puddle about 10ft in radius will form on a solid surface at around 120ft from the Brain, or closer. That area becomes Difficult terrain, and each creature in it must make a DC:10 dexterity saving throw, or take 1d12 acid damage.

Heart Explosion. The ground within 100ft of the Brain will explode as one of the many crimson hearts explodes. Any creature in area of the explosion (10ft radius) must make a DC:12 constitution saving throw, or take 1d20 bludgeoning damage.

 

Previous Versions

Name Date Modified Views Adds Version Actions
12/1/2021 8:15:52 PM
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