Crimson Vampire Chosen of Cthugha (5e Creature)
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Large aberration, chaotic evil
Damage Resistances bludgeoning, piercing and slashing from nonmagical weapons
Illumination. The crimson vampire sheds bright light in a 15-foot radius and dim light in an additional 15 feet.
Lightning Burst. When the crimson vampire dies, it explodes, and a creature of its choosing within 30 feet of it must make a DC 15 Dexterity saving throw, taking 21 (3d10+4) lightning damage on a failed save, or half as much damage on a successful one.
Lightning Form. A creature that touches the crimson or hits it with a melee attack while with in 5 feet of it takes 11 (3d6) lightning damage.
Touch. Melee Weapon Attack. +8 to hit, reach 5 ft., one target. Hit: 26 (4d10+4) lighting damage, and the target must succeed on a DC 15 Constitution saving throw or be paralysed for 1 minute. It can repeat the saving throw at the end of each of its turns, ending the effect on a success.
Essence Drain. Melee Weapon Attack. +8 to hit, reach 5 ft., one target. Hit: 15 (2d10+4) lightning damage, and the target's Strength score is reduced by 1d6. The target dies if this reduces its Strength to 0. Otherwise, the reduction lasts until the target finishes a short or long rest. If this damage reduces the creature to 0 hit points, it combusts and is reduced to a pile of ash.
Light of Cthugha. Ranged Weapon Attack. +8 to hit, reach 90 ft., one target. Hit: 15 (2d10+4) lightning damage. The target must succeed a DC 15 Dexterity saving throw or be blinded for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Mark of Cthugha (3/day). The crimson vampire chooses a creature within 30 feet of it. Attacks against this creature are made with advantage. The target can make a DC 15 Charisma saving throw at the end of each of its turns, ending the effect on a success.
The chosen of Cthugha are the spiritual leaders of the crimson vampires and fire vampires. Their leader is Fthaggua, Cthugha's highest servant and possibly his offspring.