Aadercap

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When a psychic dies, sometimes there are enough malign thoughts to coalesce into a being of sorts. The entity resembles an impossibly dark fluid-like mass, with slit eyes and massive maw.
Aadercaps want thoughts, it needs them to grow. Its name in the corrupted form (i.e. Headercap) comes from its tendency to wear its victims’ heads on its body, like a macabre meat cap. This because, direct contact with the brain stem leads to visceral memory adsorption.
Stats
They have the same stats as a goblin, except:
Hit dice – Each time it consumes an intelligent creature’s thoughts, it gains one hit dice. However, the new HD total cannot be more than +2 of the victim’s HD/level. So, devouring endless Kobolds only leads to a 3 hit-dice Aadercap. Therefore, it needs to dine on more powerful creatures to become more powerful.
AC – as leather; gaining one class type/grade improvement per HD gained.
Attacks – 1 x bite (damage like a two-handed sword); 2 x claw (as dagger).
Special attack – for each HD it can do a special attack (the set regenerating after rest):
:: Charm/hypnotise
:: Fear/project nightmare
:: Telekinesis
:: Telepathy
:: Sleep
:: Hold person/fright
:: Anti-charm/Animosity to friends
:: Invisibility
:: Soul bite – ingest victim’s intellect, wisdom or charisma points
So, a 3HD creature can do any three special attacks per day.
Ascension
At 10 HD the Aadercap either dies (see below) from the accumulation of its malign thoughts; or it manages to transcend into the ethereal plane to digest its accumulated memories; excreting what remains into the prime material plane as base and virulent prejudices.
Death
If killed or dies, roll a die equal to its HD and subtract a D4. If the number is negative, the creature is dissipated and dead. If positive, the Aadercap regenerates later having that number of HD.
This work is Creative Commons under https://creativecommons.org/licen ses/by/4.0/
For more information, please see: https://cavegirlgames.blogspot.com/2019/04/community-project-harry-clarke-bestiary.html
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