Regeneration. The vampire regains 10 hit points at the start of its turn if it has at least 1 hit point and isn't in sunlight or running water. If the vampire takes radiant damage or damage from holy water, this trait doesn't function at the start of the vampire's next turn.

Spider Climb. The vampire can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Vampire Weaknesses. The vampire has the following flaws:

Forbiddance. The vampire can't enter a residence without an invitation from one of the occupants.

Harmed by Running Water. The vampire takes 20 acid damage when it ends its turn in running water.

Stake to the Heart. The vampire is destroyed if a piercing weapon made of wood is driven into its heart while it is incapacitated in its resting place.

Sunlight Hypersensitivity. The vampire takes 20 radiant damage when it starts its turn in sunlight. While in sunlight, it has disadvantage on attack rolls and ability checks.

Legacy of Maladomini. Volenta knows the thaumaturgy cantrip. She can cast ray of sickness spell as a 2nd-level spell once with this trait and regain the ability to do so when she finishs a long rest. She can cast the crown of madness spell once with this trait and regain the ability to do so when she finishs a long rest.

Trickster's Escape. can cast Freedom of Movement once on yourself without expending a spell slot. You regain the ability to do so when you finish a long rest.

Mystic Arcanum. Volenta can cast a 6th level Circle of Death once without expending a spell slot. She must finish a long rest before she can do so again.

Dark One’s Own Luck. Once per short rest, when Volenta makes an ability check or a saving throw, she can use this feature to add a d10 to the roll. She can do so after seeing the roll but before the effects occur.

Agonizing Blast. When Volenta casts eldritch blast, add +4 to the damage it deals on a hit.

Dark One’s Blessing. When Volenta reduces a hostile creature to 0 HP, she gains 16 temp HP.

Devil’s Sight.  Volenta can see normally in darkness, both magical and nonmagical, to a distance of 120 ft.

Beguiling Influence. Volenta has advantage on Deception and Persuasion skills.

Fiendish Resilience. Volenta can choose one damage type to gain resistance to when she finishs a short or long rest. Damage from magical weapons or silver weapons ignores this resistance.

Alert. Volenta can't be surprised while she is conscious. Other creatures don’t gain advantage on attack rolls against her as a result of being unseen by her.

Spellcasting. Volenta is a 5nth-level spellcaster. Her spellcasting ability is Charisma (spell save DC 16, +8 to hit with spell attacks). Volenta has the following spells Pact spells prepared:

Cantrips (at will): Eldritch Blast, Green-Flame Blade, Mage Hand, Prestidigitation

5th level (3 Pact slots): Arms of Hadar, Charm Person, Compulsion, Counterspell, Darkness, Enervation, Find Familiar, Hex, Hold Person, Infernal Calling, Shadow of Moil, Summon Greater Demon, Vampiric Touch

Multiattack. The vampire makes two attacks, only one of which can be a bite attack.

Claws. Melee Weapon Attack: +6 to hit, reach 5 ft., one creature. Hit: 8 (2d4 + 3) slashing damage. Instead of dealing damage, the vampire can grapple the target (escape DC 13).

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one willing creature, or a creature that is grappled by the vampire, incapacitated, or restrained. Hit: 6 (1d6 + 3) piercing damage plus 7 (2d6) necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage taken, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.

Volenta can cast counterspell