Talon of the Hawk. Vladeska wields a magic greatsword with the traits of a Holy Avenger. In addition to it's regular traits, allies within 10 feet of Vladeska deal the same extra radiant damage on their attacks.

Darklord's Immunity. If Vladeska is reduced to zero hit points, Vladeska is raised with 100 hp in 1d4 rounds. If this feature has been activated in the last week, it will instead  take 1d4 days. She reforms around her Holy Avenger. Upon reforming, all allies within 30 feet of Vladeska gain 30 temporary hit points and may use their reaction to make a melee attack against a creature within reach.

Multiattack. Vladeska makes three attacks with her Holy Avenger.

Holy Avenger. Melee Weapon Attack: +15 to hit, reach 5 ft., one target. Hit: 17 (2d6 + 10) slashing damage plus 11 (2d10)  if the target is an undead or fiend.

Parry. Vladeska adds 5 to its AC against one melee attack that would hit her. To do so, she must see the attacker and be wielding a melee weapon.

Vladeska can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Vladeska regains spent legendary actions at the start of its turn.

Attack (2 Actions). Vladeska makes an attack.

Command Ally. Vladeska  targets one ally she can see within 30 feet of her. If the target can see or hear Vladeska , the target can move up to its speed and make one attack using its reaction and has advantage on the attack roll.