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Cortex-Harvester Euphoriarch - AI-generated fantasy Monster

Cortex-Harvester Euphoriarch

Scholars and smugglers call these beings cortex-harvesters because their minds are literally too rich to waste. Their torso-sized brains can be removed only with specialized preservation gear while the creature still lives or lingers near death. In that moment, the creature's psychic output peaks and saturates the air with bliss, grief, and color-slick memories. The sensation helps mask the violence of the extraction and makes attackers hesitate, as if their own minds are persuading them that the thing before them should not be harmed. Once the creature dies, the effect collapses. The resulting Psionic Cortex is still valuable, but no longer carries the same intoxicating force or potency.

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MediumAberration(Psionic aberration)CR 23Typically lawful evil

Cortex-Harvester Euphoriarch

aberrationpsioniccontrollerurbanbossharvestablepsychiceuphoriamind control
HP351AC19SPD30 ft., climb 20 ft.CR23ArcanaDeceptionInsightPerceptionStealth
STR
12
DEX
18
CON
26
save
INT
24
save
WIS
22
save
CHA
24
save
Alien Physiology. The cortex-harvester can breathe, speak, and function normally in the airless spaces of sealed vaults and flooded tunnels, and it has advantage on checks made to resist being grappled or restrained.
Aura of Euphoria. Creatures of the cortex-harvester's choice that start their turn within 20 feet of it must succeed on a Wisdom saving throw or become euphoric until the start of their next turn. While euphoric, a creature has disadvantage on attack rolls and ability checks, and the first time it takes damage each turn, it cannot take reactions until the start of its next turn. A creature that succeeds is immune to this aura for 24 hours.
Legendary Resistance. The cortex-harvester has advantage on Intelligence, Wisdom, and Charisma saving throws. If it fails a saving throw, it can choose to succeed instead. Once it uses this trait, it cannot use it again until the start of its next turn. While below half its hit points, it can use this trait twice between turns.
Mental Inertia. The cortex-harvester is resistant to any damage dealt by a spell or psionic effect that would reduce its speed, impose the prone condition, or force it to move, unless the effect deals psychic damage as part of the same effect.
Pain-Fed Resonance. When the cortex-harvester takes damage, its psychic output spikes. At the start of its next turn after taking damage, the first psychic damage it deals increases by 7, or by 14 if it is at 87 hit points or fewer.
Phasing Mindstep. The cortex-harvester can move through creatures and objects as if they were difficult terrain. It takes 10 force damage if it ends its turn inside an object.
Pleasure Interference. When a creature the cortex-harvester can see within 60 feet hits it with an attack, the attacker must succeed on a Wisdom saving throw or become overwhelmed by a wave of euphoric static until the end of its next turn. While overwhelmed, the creature's speed is halved and it cannot take reactions.
Distorting Drift. The cortex-harvester moves up to half its speed without provoking opportunity attacks. If it ends this movement adjacent to a creature, that creature must succeed on a Wisdom saving throw or have disadvantage on the next attack roll it makes before the end of its next turn.
Mind Lance (Costs 2 Actions). The cortex-harvester targets one creature it can see within 90 feet. The target must succeed on a Intelligence saving throw or take 18 () psychic damage and be unable to take reactions until the start of its next turn.
Euphoria Spike (Costs 3 Actions). The cortex-harvester erupts in a euphoric pulse. Each enemy of its choice within 30 feet must make a Wisdom saving throw. On a failure, a creature takes 27 () psychic damage, is stunned until the end of its next turn, and has its speed reduced to 0 for the same duration. On a success, it takes half damage and is not stunned.
Cantrips
Psionic SpellcastingUniversal— The cortex-harvester's spellcasting is psionic and requires no components. Intelligence is its spellcasting ability, and the save DC is 21 with +13 to hit with spell attacks.
At Will PsionicsEnchantment— At will: detect thoughts, mage hand, minor illusion, mind sliver, telekinesis
Daily PsionicsEnchantment— 3/day each: dominate monster, feeblemind, modify memory, synaptic static, telepathic bond
Relic PsionicsEnchantment— 1/day each: mass suggestion, psychic scream
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