Anuvo's Soulmage

Mirror Image. Anuvo's Soulmage doesn't die. Instead, it fades into nothing, returning to its source. 

Rage. Anuvo's Soulmage can call upon a primal force in order to harness Anuvo's rage. When doing so, it may take a second action on each of its turns, its speed is doubled, and it may take a reaction on each other creature's turns. Rage lasts for 10 minutes and is activated as a bonus action. 

Spellcasting. Anuvo's Soulmage is a 20th level spellcaster with the following spells prepared. Its spell save DC is 21 and its spell attack modifier is +16. 
Cantrips: Fire Bolt, Toll the Dead, Mind Sliver, Thamaturgy, Vicious Mockery
1st level (4 slots): Healing Word, Ice Knife, Magic Missile
2nd level (3 slots): Calm Emotions, Invisibility, Misty step
3rd level (3 slots): Fireball, Fly, Life Transferrence
4th level (3 slots): Fire Shield, Polymorph, Sickening Radiance
5th level (3 slots): Cone of cold, Dominate Person, Summon Dragon
6th level (2 slots): Disintegrate, Otto's irresistible dance
7th level (2 slots): Crown of Stars, Whirlwind
8th level (1 slot): Dark Star
9th level (1 slot): Psychic Scream

Multiattack. Anuvo's Soulmage may make 3 melee or ranged weapon attacks per action. 

Sonic Punch. 5 ft range, +11 to hit. 2d6+7 bludgeoning damage and 2d6 elemental damage. (Choose fire, cold or lightning). 

Influence. 180 ft range, +11 to hit. 2d6+7 piercing damage and 2d6 elemental damage. 

Healing word, Misty Step

Rage. Doubles speed, actions per turn, and you don't provoke opportunity attacks. Lasts 10 minutes. 2/day. 

Ascended Force. When taking damage from any source, you may roll 1d20+10 and remove that amount from the damage taken. If you do so, the source of that damage must make a DC 21 dexterity saving throw, taking 2d12 elemental damage on a failure or half as much on a success. Usable 6/day.