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Ky'krell, Aster's Corrupt Immortal - AI-generated fantasy Monster

Ky'krell, Aster's Corrupt Immortal

Local smiths whisper of Ky'krell as the failed ascension of a warlock who bargained with Aster. Folk say his screams still echo when the machine turns. Scholars who study his remains speak of draconic genes fused with arcane lead—something never meant to be combined.

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GargantuanMonstrosityCR DeadlyChaotic Evil

Ky'krell, Aster's Corrupt Immortal

mutatedhexblade-corruptiondragon-featurestimed-explosion
HP136AC17SPDWalk 40 ft., Climb 30 ft., Burrow 10 ft.CR7 (2,900 XP)IntimidationPerceptionAthletics
STR
22
save
DEX
14
CON
18
save
INT
10
WIS
12
CHA
20
save
Corruption Surge. Every 2 rounds of combat at the end of Ky'krell's turn, roll d8 and consult the Corruption Surge table: 1 Eldritch Lash (cantrip), 2 Hex Mark, 3 Spine Barrage, 4 Sickening Whisper, 5 Crown of Decay, 6 Nightmarish Whorl (as Nightmare Shroud), 7 Random wild surge: Ky'krell teleports 20 feet to an unoccupied space he can see and emits a 10-foot radius nauseating pulse for 1 round ( Con save or be poisoned), 8 Double Strike: Ky'krell immediately makes one Glaive-Arm Sweep and one Rending Talon attack. These surges occur automatically and do not require spell slots. If a surge would cast a spell and that spell is on recharge for Ky'krell, treat it as Eldritch Lash.
Death Timer. Ky'krell's warped metabolism is consuming him. After the end of his tenth turn in any combat he collapses and detonates (see Aftermath). This countdown is not hidden; PCs can see his body deteriorate and the central machine pulse with each of his turns.
Corrupt Resilience. Ky'krell is immune to disease and the poisoned condition. He has resistance to nonmagical physical attacks and partial resistance to acid.
Lost Voice. Ky'krell cannot speak but understands Common and Auran. He cannot be charmed or parleyed with as his old identity is gone.
Glaive-Arm Sweep. Melee Weapon Attack: to hit, reach 15 ft., one target. Hit: 22 () slashing damage plus 10 () necrotic damage. If the target is a creature, it must succeed on a Constitution saving throw or gain one level of exhaustion as corrosive black ichor seeps into wounds.
Rending Talon. Melee Weapon Attack: to hit, reach 5 ft., one target. Hit: 18 () bludgeoning damage plus 7 () poison damage. On a hit the target is grappled (escape ). Ky'krell may grapple only one creature at a time with this attack.
Toxic Dragonbreath. Recharge 5-6. Ky'krell exhales a 60-foot cone of putrid green flame and necrotic bile. Each creature in that area must make a Dexterity saving throw, taking 45 () acid and necrotic damage on a failed save, or half as much on a successful one. Surfaces in the cone are covered in caustic residue that deals 3 () acid damage to any creature that ends its turn in the area. The residue remains for 1 minute and can be washed away by a strong current of water.
Tail Spike. Ky'krell lashes out with a spiny, draconic tail. Melee Weapon Attack: to hit, reach 20 ft., one target. Hit: 20 () piercing damage and the target must succeed on a Strength saving throw or be knocked prone and pushed 10 feet away.
Soulblight Surge. Ky'krell focuses the warped Hexblade energy inflating his corrupted form with shadow and rot. Each creature of his choice in a 30-foot radius must make a Wisdom saving throw. On a failed save a creature takes 27 () psychic damage and is frightened for 1 minute. On a successful save it takes half damage and is not frightened. A frightened creature can repeat the save at the end of each of its turns, ending the effect on a success.
Violent Reflex. Violent Reflex. When a creature within 10 feet hits Ky'krell with a melee attack, Ky'krell may make one Tail Spike attack as a reaction against that creature.
Spine Barrage (Costs 2 Actions). Spine Barrage. Ky'krell fires a volley of jagged draconic spines in a 30-foot line. Each creature in the line must make a Dexterity save, taking 18 () piercing damage on a failed save, or half as much on success.
Hemorrhagic Snap. Hemorrhagic Snap. Ky'krell makes a Rending Talon attack against a target he can see.
Sickening Whisper. Sickening Whisper. A wave of corrupted Hexblade energy lashes the nearest creature. The target must succeed on a Wisdom save or be stunned until the end of its next turn. Creatures that succeed are immune to this effect for 24 hours.
Cantrips
Eldritch LashEvocation— Cantrip. A crackling beam of bitter green energy that deals 3d10 force damage at range and pushes the target 5 feet on a hit. When this effect is produced automatically by Ky'krell's corruption it is empowered to also inflict 1d6 necrotic damage per two rounds elapsed.
1st level
Hex MarkEnchantment— 1st-level. A shadowy curse that marks a target. While marked the target takes 1d6 necrotic damage when Ky'krell hits it with a melee attack. The mark lasts 1 minute. Ky'krell can maintain up to one marked target at a time.
2nd level
Nightmare ShroudIllusion— 2nd-level. Ky'krell summons a 15-foot sphere of gnawing, cold shadow at a point he can see within 90 feet. Creatures that start their turn in the sphere take 4d6 psychic damage and have disadvantage on Wisdom checks. The sphere lasts 1 minute or until Ky'krell dismisses it.
3rd level
Crown of DecayNecromancy— 3rd-level. Ky'krell cloaks himself in a crown of writhing black rot, granting him resistance to all damage types for 1 round and forcing attackers to make a DC 17 Wisdom save or take 3d8 psychic damage when they hit him with a melee attack. This spell lasts 1 round and cannot be used again until Ky'krell finishes a short rest unless it is granted by his automatic corruption surge.
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