Szass Tam

If Szass Tam fails a saving throw, he can choose to succeed instead.

If destroyed, Szass Tam re-forms in 1d10 days if he has a spirit jar, reviving with all his Hit Points. The new body appears in an unoccupied space within Szass Tam's lair.

Szass Tam makes three attacks, using Paralyzing Touch or Soul-Draining Ray in any combination. He can replace two attacks with a use of Spellcasting to cast Finger of Death.

Melee Attack Roll: +13, reach 5 ft. Hit: 16 (3d6 + 6) Cold damage, and the target has the Paralyzed condition until the start of Szass Tam's next turn.

Ranged Attack Roll: +13, range 120 ft. Hit: 25 (3d12 + 6) Necrotic damage, and the target has Disadvantage on attack rolls and saving throws until the end of its next turn.

Szass Tam teleports up to 60 feet to an unoccupied space he can see, and each creature within 10 feet of the space he left takes 13 (3d8) Necrotic damage.

con DC 21, each creature that isn't an Undead in a 20-foot Emanation [Area of Effect] originating from Szass Tam. Failure: 14 (4d6) Necrotic damage and the creature's Hit Points maximum decreases by an amount equal to the damage taken. Success: Half damage only. Success or Failure: Szass Tam can't take this action again until the start of his next turn.

Szass Tam casts one of the following spells, using Intelligence as the spellcasting ability (spell save DC 21, +13 to hit with spell attacks):

At will: Detect Magic, Detect Thoughts, Finger of Death, Fireball (level 8 version), Lightning Bolt (level 8 version), Mage Hand, Prestidigitation

2 each/day: Animate Dead, Dimension Door, Plane Shift

1 each/day: Power Word Kill, Project Image, Scrying, Sending

Szass Tam casts Counterspell or Shield in response to the spell's trigger, using the same spellcasting ability as Spellcasting.

At will: Counterspell, Shield

Szass Tam casts Blight or Dispel Magic, using the same spellcasting ability as Spellcasting.