Legendary Resistance (4/Day). If Aaesssss fails a saving throw, he can choose to succeed instead.

Final Toll (Recharges after a Short or Long Rest). If Aaesssss would be reduced to 0 hit points, his current hit point total instead resets to 222 hit points, he regains any expended spell slots of 4th level or lower, and he regains any expended uses of Legendary Resistance. Additionally, Aaesssss can now use the options in the “Mythic Actions” section for 1 hour. Award a party an additional 62,000 XP (184,000 XP total) for defeating Aaesssss after his Final Toll activates.

Exarch of the Reaper. Aaesssss is considered a deity for the purposes of spells and effects such as antimagic field and ignores resistance to necrotic damage. Aaesssss is also immune to effects that would instantly kill a creature, such as power word kill or trap a soul, such as soul cage.

Regeneration. Aaesssss regains 20 hit points at the start of his turn.

Spellcasting. Aaesssss is a 20th-level spellcaster. His spellcasting ability is Wisdom (spell save DC 22, +14 to hit with spell attacks).Aaesssss has the following cleric spells prepared (if the spell is not normally a cleric spell it is nonetheless considered a cleric spell for Aaesssss, and he has any material components listed as part of his equipment):

Cantrips (at will): chill touch (5d8 necrotic), sacred flame (5d8 necrotic), word of radiance (5d6 necrotic), toll the dead (5d8/5d12 necrotic)

1st level (4 slots): detect magic, healing word, shield of faith, bless

2nd level (3 slots): hold person, spiritual weapon, lesser restoration, misty step

3rd level (3 slots): animate dead, counterspell, dispel magic, sending, spirit guardians

4th level (3 slots): blight, dimension door

5th level (3 slots): scrying

6th level (1 slot): blade barrier, harm

7th level (1 slot): teleport, fire storm

8th level (1 slot): dominate monster, antimagic field

9th level (1 slot): gate

Magic Resistance. Aaesssss has advantage on saving throws against spells and other magical effects.

Overlord. undead under the control of Aaesssss add his Wisdom modifier to their damage rolls, gain 20 temporary hit points, and are treated as if under the effects of death ward.

Special Equipment. Aaesssss wields Soul Reaper (Scythe Form) a +4 Scythe (uses the statistics of a great sword) that deals an additional 4d6 necrotic damage on a hit, and a set of enchanted nobles clothes that count as +2 plate (this armor does have have a strength requirement and a creature wearing it is considered proficient with this armor even if they lack proficiency with heavy armor.

Multiattack. Aaesssss makes two soul reaper attacks, or he can cast a spell with a casting time of one action and make a soul reaper attack as a bonus action.

Soul Reaper (Scythe Form). Melee Weapon Attack: +16 to hit, reach 5 ft., one creature. Hit: 16 (2d6 + 9) slashing damage plus 14 (4d6) necrotic damage. If a creature is killed by soul reaper their soul is trapped and they cannot be revived by any means short of a wish spell until soul reaper is destroyed.

Divine Intervention (1/Week). As an action Aaesssss can receive the divine aid of Myrkul. All creatures of Aaesssss's choice within 120 feet summon an Avatar of Death. The Avatar of Death appears in the closest unoccupied space next to the creature and hunts the creature until either the avatar of death or the target is reduced to 0 hit points, or if Aaesssss is killed. The avatar of death shares the initiative count of their target but take their turn immediately before.

Aaesssss can take 4 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. Aaesssss regains spent legendary actions at the start of his turn.

Cantrip. Aaesssss casts a cantrip.

Soul Reaper (Costs 2 Actions). Aaesssss makes an attack with soul reaper

If Aaesssss's Final Toll trait has activated in the last hour, he can use the options below as legendary actions.

Teleport. Aaesssss teleports to an unoccupied space he can see within 40 feet

Reaper (Costs 4 Actions). Aaesssss forces a creature he can see within 40 feet of him to make a DC 22 Charisma saving throw. On a failed save, an Avatar of Death appears within the closest unoccupied space next to the creature and hunts the creature until either the avatar of death or the target is killed. The avatar of death shares the initiative count of their target but take their turn immediately before.