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Cortex Tyrant - AI-generated fantasy Monster

Cortex Tyrant

Psionic cortex tyrants are believed to be failed experiments from an arcane-neurological program that tried to grow living psionic amplifiers in urban populations. The result was a predator that learned a cruel truth: fear makes minds rigid, but ecstasy makes them open. Its strongest neural discharge happens when it is close to death, which is why harvest crews stalk it with stun rods, resonance clamps, and a terrifyingly delicate understanding of timing.

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LargeAberration(Aberrant Psion)CR 25Typically lawful evil

Cortex Tyrant

AberrationPsionicControllerUrban HorrorLegendaryHarvestable
HP420AC+15SPDWalk 30 ft., Fly 40 ft. (hover)CR25ArcanaInsightPerceptionStealth
STR
22
DEX
18
CON
20
save
INT
22
save
WIS
18
save
CHA
20
save
Alien Physiology. The tyrant can breathe, think, and operate normally in airless spaces and underwater, though it prefers enclosed urban tunnels and rooftops.
Magic Resistance. The tyrant has advantage on saving throws against spells and magical effects.
Death-Deepening Psionics. The tyrant's psionic powers strengthen as it is wounded. While it has 210 hit points or fewer, it gains a bonus to damage rolls with psychic damage. While it has 105 hit points or fewer, this bonus becomes +4 and the tyrant's body sheds bright violet sparks that reveal invisible creatures within 30 feet.
Specialized Harvest. If a creature attempts to harvest the tyrant's Psionic Cortex without special equipment, the creature must succeed on a Intelligence check using thieves' tools, healer's kit, or a specialized harvesting apparatus, otherwise the cortex is destroyed and any magic or psionic effect affecting the tyrant ends immediately.
Multiattack. The cortex tyrant makes three Psionic Bolt attacks or two Psionic Bolt attacks and one Mind Rend attack.
Psionic Bolt. Ranged Spell Attack: to hit, range 180 ft., one target. Hit: 27 () psychic damage, and the target must succeed on a Wisdom saving throw or be pushed up to 20 feet in a direction the tyrant chooses and knocked prone if it collides with a solid object or creature.
Mind Rend. Melee Spell Attack: to hit, reach 10 ft., one creature. Hit: 35 () psychic damage, and the target must succeed on a Intelligence saving throw or take 14 () psychic damage at the start of each of its turns until the end of the tyrant's next turn.
Euphoric Burst. The tyrant emits a violet wave of ecstatic overload. Each creature of the tyrant's choice within 30 feet must make a Wisdom saving throw. On a failure, a creature takes 45 () psychic damage and is stunned until the end of its next turn. On a success, it takes half damage and isn't stunned. A creature that is already concentrating on a spell has disadvantage on this saving throw.
Psionic Harvest. The tyrant tears loose a cluster of nerve-cords from a dead or dying brain within 60 feet. One creature the tyrant can see within 60 feet must make a Constitution saving throw. On a failure, the target is incapacitated until the end of its next turn as false bliss floods its mind, and the tyrant regains 40 hit points. If the target is reduced to 0 hit points by this damage, the tyrant regains 80 hit points instead.
Thought-Recoil. When a creature the tyrant can see within 60 feet hits it with an attack, the tyrant forces that creature to make a Wisdom saving throw. On a failure, the attacker takes 18 () psychic damage and is pushed 10 feet away. On a success, it takes half damage and isn't pushed.
Shift. The tyrant moves up to half its speed without provoking opportunity attacks.
Bolt (Costs 2 Actions). The tyrant makes one Psionic Bolt attack.
Distracting Ecstasy (Costs 2 Actions). One creature the tyrant can see within 60 feet must succeed on a Wisdom saving throw or be unable to take reactions until the end of its next turn and take 13 () psychic damage.
Overflow (Costs 3 Actions). The tyrant uses Euphoric Burst.
2nd level
Detect ThoughtsDivination— The tyrant can innately cast detect thoughts at will, requiring no components.
LevitateTransmutation— The tyrant can innately cast levitate at will, requiring no components.
5th level
TelekinesisTransmutation— The tyrant can innately cast telekinesis 3/day, requiring no components.
8th level
Dominate MonsterEnchantment— The tyrant can innately cast dominate monster 1/day, requiring no components.
FeeblemindEnchantment— The tyrant can innately cast feeblemind 1/day, requiring no components.
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