Ashvoid, King of Oblivion

Ashstorm Form (1/Day). Ashvoid can transform into his Ashstorm form at any time (no action required). He also gains 130 Temporary Hit Points, and this form lasts until he loses those Temporary Hit Points or he cancels it (no action required). In this form, he gains the following benefits:

• Armor Class increases by 3 (AC 25)
• size becomes Huge

• gain Resistances Bludgeoning, Piercing, Slashing and Immunities Grappled, Paralyzed, Prone and Restrained conditions.

• can pass through narrow openings, but it treats liquids as though they were solid surfaces.
• can enter and occupy the space of another creature
• cannot use Legendary Actions

• can use two Bonus Actions on his turn

• can perform only Ash Combo

Aura of Torture. Enemy creatures that roll a Death save within 60 feet of Ashvoid have Disadvantage on that roll.

Curse of Oblivion. If any creature that is not a Construct or Undead is killed by Ashvoid and is not revived, it will be reborn the next dawn as an Astral Shade Soldier within the fortress Vacant. The creature loses all of its memories and is under Ashvoid's control. The only way to revive the creature is with the Wish spell.

Havretdras Restoration. If Ashvoid is slain, his body disintegrates into ash. After 14 (4d6) hours, he reforms within his fortress Vacant, in the realm of Oblivion. If Ashvoid is slain in his domain, his spirit can be banished from Yremineptryl for 101 (2d100) years using the Wish spell.

Star Traveler. Ashvoid can cast the Gate at will spell, but only if he casts it as a Ritual for 10 minutes.

Titan Slayer. Ashvoid deals double damage to Titans and ignores their Resistances.

Perform Combo. Ashvoid can perform one of the following combos, but can't use same combos two rounds in a row (unless he is in Ashstorm Form):

Flame Cleave. Melee Attack Roll: +17, reach 20 ft. one target Hit: 14 (1d10+9) Slashing damage plus 14 (4d6) Fire damage.

Frost Cleave. Melee Attack Roll: +17, reach 20 ft. one target Hit: 14 (1d10+9) Slashing damage plus 9 (2d8) Cold damage.

Fallen Assault. Melee Attack Roll: +17, reach 20 ft. one target Hit: 23 (4d6+9) Radiant damage, and the target has the Stunned condition until the start of Ashvoid's next turn. The target can choose not to be Stunned, in which case it takes an extra 22 Force damage that bypasses Resistance or Immunity.

Mayhem of Oblivion. Ashvoid creates a storm of elements in a 30-foot radius around him. Dexterity Saving Throw: DC 25. Failure: 18 (4d8) Cold damage, 18 (4d8) Fire damage, 18 (4d8) Lightning damage, 18 (4d8) Thunder damage, and the target has the Prone condition. Success: Half damage.

Havretdras Touch (3/Day). Ashvoid touches a creature 5 feet away. Constitution Saving Throw: DC 20 (the target succeeds automatically if it is a Celestian). Failure: That creature drops to 1 Hit Point.

Overdust (Ashstorm Form only). All creatures in a location occupied by Ashvoid are suffocated by its magical ash. Constitution Saving Throw: DC 25. Failure: 25 (10d4) Force damage, the targent has the Blinded for 1 minute and its movement is reduced to 0, repeats the save at the end of its next turn if it is still Blinded, ending this effect on itself on a success. Success: Half damage.

Spellcasting. Ashvoid can cast spells, requiring no Material components and using Intelligence as the spellcasting ability (spell save DC 25).

At Will: Darkness, Detect Thoughts, Dispel Magic, Fireball, Ice Knife (level 4 version), Ice Storm, Scorching Ray (level 3 vesion), Prestidigitation

2/Day Each: Befuddlement, Control Weather, Gate, Scrying

1/Day Each: Commune, Wish

Chess Genesis. Ashvoid creates a random manifestation of chess piece that attacks a creature within 120 feet of himself. (roll 1d6; reroll if he has already used that manifestation during this turn):

All manifestations vanish at the start of Ashvoid’s next turn.

Void Step. Ashvoid teleports up to 60 feet to an unoccupied space he can see.

Strike Storm (Ashstorm Form only). Range Attack Roll: +17, range 300 ft., Hit: 19 (3d12) Thunder damage. The target has the Deafened condition until the end of its next turn.

Legendary Action Uses 3: Ashvoid can expend a use to take one of the following actions. Ashvoid regains all expended uses at the start of each of his turns.

Checkmate. After any creature's turn. Ashvoid uses one Chess Genesis. If Ashvoid is in his Domain, he can choose a manifestation once per round.

Paradigm Shift. Ashvoid can use Void Step in response to taking damage from Attack roll so that he doesn't take any damage. Ashvoid can't take this action again until the start of its next turn.

Self-restoration. After any creature's turn, Ashvoid gets rid of all negative conditions and restores 15 Hit Points. Ashvoid can't take this action again until the start of its next turn.