Beyondall

Godly fortitude. Beyondall is not effected by critical hits, and if you roll a natural 20 while trying to hit Beyondall, you take 10500(1000d20) force damage.

True damage. Beyondall ignores all damage resistances and immunities when attacking.

Regeneration. At the end of each of his turns Beyondall recovers 1000000 hit points.

Unstoppable magic. Beyondall does not have to hold concentration on spells, and his spells cannot be dispelled, countered, or altered in any way. When casting a spell that has a duration of one minute or longer the duration is increased by one thousand times.

Infinite power. Beyondall doesn’t require any components for his spells, and his spells will never fail or suffer a mishap.

Spellcasting. Beyondall is a 30th-level spellcaster. Its spellcasting ability is charisma (spell save DC 100000, +∞ to hit with spell attacks). Beyondall has all spells prepared, and can cast them at will.

Perception. Beyondall perceives everything within a 100 mile radius of himself.

Doom punch. Melee Weapon Attack: +∞ to hit, reach 50 ft.,  ∞ target. Hit: ∞ (∞d100 +∞) bludgeoning damage. 

Universe ending Ray. RangedWeapon Attack: +# to hit, range 10/∞ ft., ∞ target. Hit: ∞ (∞d20 +∞) force damage.

Universe ending Ray. RangedWeapon Attack: +# to hit, range 10/∞ ft., ∞ target. Hit: ∞ (∞d20 +∞) force damage.

Beyondall can use his reactions at any time, and has ∞/turn

Universe ending Ray. RangedWeapon Attack: +# to hit, range 10/∞ ft., ∞ target. Hit: ∞ (∞d20 +∞) force damage.