Valrar, The Uncorrupted

 Unkillable. Valrar, The Uncorrupted is only a title and not an actual being, Whenever Valrar, The Uncorrupted completely dies, the strongest warlock under his command begins to change as they are infused with his power, Once a successor has been selected after 20 days that creature will be teleported to Valrar, The Uncorrupted's home plane, once their the full transformation will begin as they turn into Valrar, The Uncorrupted, gaining all his ability's. the current Valrar, The Uncorrupted is also unkillable whenever in his lair, unless Rhasah, The Corrupted is the one who kills him

Innocent Resistance. Because of Valrar, The Uncorrupted's 

True Sight. Valrar, The Uncorrupted has true sight of 200 feat

Souls Of The Willfully Corrupt. Whenever Valrar, The Uncorrupted kills a creature that has committed sins without demon influence, increase all spell level's by one, this can grow past 9th level spells.

Growing Power. Whenever Valrar, The Uncorrupted is outside of his lair, every spell starts at it's weakest spell slot level, every time Souls Of The Willfully Corrupt is activated the spell level's grow by one until he returns to his lair, this can grow past 9th level spells.

Powerful Caster. Valrar, The Uncorrupted has a list of spells that he can cast as an action and ones he can cast as a bonus action. Any spell that he would cast that requires concentration he doesn't need to concentrate

Trapped. Valrar, The Uncorrupted is trapped in his home domain, 

Innate Spellcasting. Valrar, The Uncorrupted innate spellcasting ability is Charisma (spell save DC 30). It can innately cast the following spells, requiring no material components:
At will: Fireball, Misty Step. Tsunami, astral projection (Can be used to go into any plane)
1/year: Wish
1/day each: Power word kill
5/day each: Meteor Swarm, Wish (Only to replicate spells of lower level)

Roar Of The Innocence Slaughter. Valrar, The Uncorrupted creates a loud roar, This roar is ear piercing, every creature must make a wisdom saving throw with a dc of 30, if they fail they gain the deafened effect for 1d10 rounds

Slam. Melee Weapon Attack: +4 to hit, reach 50 ft., 1 target. Hit: 25 (4d10 + 5) bludgeoning damage. 

Create Hell Hounds:As a bonus Valrar, The Uncorrupted can create 5 hell hounds, these hell hounds take all the stats of Valrar, The Uncorrupted, and they gain 3 uses of every single spell Valrar, The Uncorrupted can use besides wish

Innate Spellcasting. Valrar, The Uncorrupted innate spellcasting ability is Charisma (spell save DC 30). It can innately cast the following spells, requiring no material components:
At will: Greater invisibility, Feeblemind, Create Or Destroy Water (Can only effect lava) 

Fiendish Protection. Whenever he get's damage by a damage type Valrar, The Uncorrupted can spend his reaction slot to gain immunity to that damage type permanently,  he can only use this feature 3 times till he has to replace a immunity he has gained

Void Bubble. If an attack would bring Valrar, The Uncorrupted to less than 100 hp he can spend a reaction slot to enter a void bubble, He becomes immune to every damage type for 5 rounds, after 5 rounds he goes back up to full hp, he also regains any uses of limited spells he spent in this combat

As the power of the Valrar, The Uncorrupted grows, so does the legendary action's Valrar, The Uncorrupted can take and how many he has unlocked, Every time soul's of the willfully corrupt is activated, The total amount of legendary actions Valrar, The Uncorrupted is increased by one. this maxes out at 5.

Control The Sins (Always Unlocked) (Costs 1 Actions). Whenever a creature misses Valrar, The Uncorrupted, he can spend a legendary action to redirect the hit to another creature within range, the creature automatically hits the new target, if the target rolled a nat 1. the redirection is a critical hit.

The maximum power of Valrar, The Uncorrupted is unknown at this point, However we can only assume, Valrar, The Uncorrupted has only one Mythic action, Valrar, The Uncorrupted starts off with 5 mythic action points and Valrar, The Uncorrupted gains one for every use of Souls of the willfully corrupted is activated, he gains another point, Once he gets 100 total points he's can use his ability

Summon Home Plane (Costs 100 Actions). You summon you're home plane, You create a 1000 ft by 1000 ft area, this area is considered your lair, for every effect that would reduce Valrar, The Uncorrupted's power when he is ignored. Only 5 uses of the wish spell can end this effect or if Valrar, The Uncorrupted's sister Rhasah, The Corrupted. enters the area and kills Rhasah, The Corrupted.