Blood of Vecna

Dark Devotion. The blood has advantage on saving throws against being charmed or frightened.

Disciple of Vecna. The blood has advantage on Charisma (Deception) made to lie and Wisdom (Insight) checks to determine whether someone is lying to it.

Multiattack. The blood makes two Longsword or Heavy Crossbow attacks.

Dagger. Melee or Ranged Weapon Attack: +3 to hit, reach 5 ft. or range 20/60, one target. Hit: 3 (1d4 + 1) piercing damage.

Light Crossbow. Ranged Weapon Attack: +3 to hit, range 80/320, one target. HIt: 5 (1d8 + 1) piercing damage.

Longsword. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) slashing damage or 8 (1d10 + 3) slashing damage if used with both hands to make a melee attack.

Mace. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 3) bludgeoning damage.

Necrotic Burst. Melee Spell Attack: +3 to hit, reach 5 ft., one creature. Hit: 4 (1d6 + 1) necrotic damage.

Heavy Crossbow. Ranged Weapon Attack: +3 to hit, range 100/400 ft., one target. Hit: 6 (1d10 + 1) piercing damage.

Parry. The blood adds 3 to its AC against one melee attack that would hit it. To do so, the blood must see the attacker and be wielding a melee weapon.