Magic Resistance. The aspirant has Advantage on saving throws against spells and other magical effects.
Marshal Undead. Undead creatures of the aspirant's choice (excluding itself) in a 60-foot Emanation originating from it have Advantage on attack rolls and saving throws. It can't use this trait if it has the Incapacitated condition.
Multiattack. The aspirant makes three Dread Blade attacks.
Dread Blade. Melee Attack Roll: +9, reach 5 ft. Hit: 14 (2d8 + 5) Slashing damage plus 10 (3d6) Necrotic damage.
Hellfire Orb (Recharge 5–6). Dexterity Saving Throw: DC 15, each creature in a 20-foot-radius Sphere centered on a point the aspirant can see within 120 feet of itself. Failure: 21 (6d6) Fire damage plus 21 (6d6) Necrotic damage. Success: Half damage.
Spellcasting. The aspirant casts one of the following spells, using Charisma as the spellcasting ability (spell save DC 15):
At will: Phantom SteedParry. Trigger: The aspirant is hit by a melee attack roll while holding a weapon. Response: The aspirant adds 4 to its AC against that attack, possibly causing it to miss.