Demonic Bond. The vadrolex is a direct extension of a nigh-omnipotent demonic power. This entity is part of the very fabric of the Abyss, beyond the powers of even the gods to destroy. Because of it's nature as a limb of a greater being, the Vadrolex cannot be affected by enchantment spells, and it is immune to any effect which would take control of its behavior or actions.
Magic Resistance. The vadrolex has advantage on saving throws against spells and other magical effects.
Multiattack. The vadrolex makes three attacks: one with its bite and two with its claws. It can also use Spellcasting or Unleash Darkness, if available.
Bite. Melee Weapon Attack: +13 to hit, reach 5 ft., one target. Hit: 18 (2d10 + 7) piercing damage plus 11 (3d6+1) psychic damage.
Claw. Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 14 (2d6 + 7) slashing damage plus 10 (3d6) psychic damage.
Spellcasting. The vadrolex casts a spell, using Charisma as the Spellcasting Ability (Spell Save DC 21, +13 to hit with spell attacks). The vadrolex can't use this action two rounds in a row, and can either attempt to cast any spell by succeeding an Arcana check with a DC equal to 15+the level of the spell, or it can cast a spell from the following list: Darkness, Dominate Monster, Phantasmal Killer.
Unleash Darkness(recharge 6). The vadrolex projects a fragemnt of the vast mind that controls it in a rippling sphere of phychic might. Each creature, other than another vadrolex, within 60 feet of the vadrolex must make a DC 21 Wisdom saving throw, with advantage on the save if it is an abberation, a construct or a demon. On a failed save, an affected creature suffers the effects of a Weird spell and must additionally make a DC 21 Charisma saving throw at the end of it's next turn. If it fails this save, the creature is temporarily possessed by the consciousness of an ancient Abyssal entity. While a creature is possessed in this way, it is considered a demon, and it is under the vadrolex's control. A possessed creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Description
Vadrolex are among the oldest fiends of the Abyss. Unlike the Tan'nari and Laghati, which were formed from the Abyss, or the Obyrinths which created it, the vadrolex and similar demons are pieces of the Abyss itself. The Abyss is a living entity, the body and prison of un unknown number of incredibly ancient demons, either the mightiest Obyrinths or even older, greater beings. The vadrolex are limbs and eyes of these ancient fiends, the hands that shape the Abyss to the will of the ancient demons whose minds prevade the seat of evil and chaos. The forms vadrolex take very widely, but they are always hulking, monstrous forms with ever-shifting arangements of limbs and constantly warping features. Many vadrolex appear dimly lit even in bright environments, highlighting the dark entities that perceived the word through their eyes. Vadrolex have only one goal: the slaughter of all beings that are not extensions of their lords. Whether free-willed demons or beings not of the Abyss, only those demons which are "pure" hosts for the minds of their ancient kin are not shredded and destroyed by the vadrolex. But their jagged fangs and monstrous claws are not the worst features of these monsters: the Abyssal minds that control them are able to project themselves out from their vadrolex limbs, taking control of those nearby and turning them into demonic puppets.
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Posted Apr 23, 2026Obviously, other stat blocks could also represent limbs of the Abyssal minds. These would still of course be demons and logically would have immunity to Psychic damage, the Demonic Bond trait, and deal a bit of Psychic damage with their attacks. Other features such as extremely high mental stats and a version of Unleash Darkness are recommended if you this inspires you to create more strains of demons who directly host Abyssal consciousness
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Posted Apr 23, 2026I'm not sure how many demonic minds are "woven into the fabric of the Abyss," but there's canonically at least one(and there's evidence for more) extremely powerful minds that prevade the entire Abyss. If you decide there's more than one in your campaign, different "limb" bodies could have different mental stats and special abilities to reflect this. I would appreciate any clarification on the more of the Abyss being a sentient being versus being the prison of one/several beings, as I'm not sure which it is