Chaos Control

Unaffectable. This creature has advantage on all saving throws.

Incorporeal Body. This creature cannot be hit by non-magical attacks. 

Incorporeal Hands. This creature cannot hold weapons/objects, cast spells, or use magical items.

No Control. This creature may not make any CHA checks except for Intimidation rolls (which it has expertise and advantage on), it may not make any INT checks, and it may not make any WIS rolls except for Perception rolls (which it has expertise and advantage on).

Ritual of Chaos. This creature can perform this ritual by having a  CR 10 non-hostile fiend and a CR 10 non-hostile Celestial sacrifice themselves to imbue their power into this creature. When this occurs, this creature uses its action and bonus action to do this, this creatures stats all raise to 26, this creature gains 200 HP and its max HP raises by 200, and this creature now unlocks its Mythical Actions.

Legendary Resistance (3/Day).  If this creature fails a saving throw, it can choose to succeed instead.

Multi-Attack. This creature makes 3 Strike and 1 Dual Claw attacks.

Strike. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 16 (2d8 + 6) Bludgeoning damage. 

Dual Claw. Melee Weapon Attack: +12 to hit, reach 5ft., one target. Hit: 37 (4d8 + 12) Slashing damage.

Chaos Beam (Recharge 5-6). This creature shoots a blinding beam of light from the black abyss that replaces its mouth. This beam stretches for a 20 by 120 feet area of effect. Any creature within the beam must make a DC 24 DEX Saving Throw, taking 12d12 force damage on a hit or half as much on a miss. If a creature fails the DEX Saving Throw, they must roll a d8. Depending on what they roll depends on the effect that happens to them:

• 8: Gain a mystical aura around you that heals you for 2d6 at the start of each of your turns until you finish a long rest.
• 6-7: No added effect.
• 4-5: Any creature that comes within 30 feet of them is dealt 2d6 fire damage.
• 2-3: Movement speed reduced by 20 feet until completing a long rest.
• 1: Automatically fail all saving throws for the next minute.

Chaos Space. As a bonus action, this creature can create a 120 feet spatial sphere. This creature can take bonus actions to affect things inside of the spatial field. All of these effects immediately wear off when a creature exits the spatial field.

• Spatial Chaos. As a bonus action, this creature can swap the places of any two creatures within the spatial field. If this creature tries to teleport a non-willing creature, that creature must make a DC 22 CON Saving Throw or be forcefully swapped.
• Disassembly Required. As a bonus action, this creature can detach a limb from a creature within the spatial field. A creature can only have one of their limbs off at one time. If a creature has its arm removed, it cannot use heavy or two-handed weapons and it also has a -2 to hit. If a creature has its leg removed, its movement speed is cut in half. A creature can reattach its limb to its body by putting its limb back in the right place and using a DC 18 Medicine check to reattach the limb.
• Confused Space. As a bonus action, this creature can levitate any objects and creatures inside of the spatial field. If this creature would levitate an unwilling creature, that creature must make a DC 22 CON Saving Throw or be levitated. If a creature or object is levitated by this feature inside of the spatial dome, as a bonus action, this creature can move that creature or object 60 feet in any direction. While a creature is levitating, its movement speed is zero unless it has a fly speed.

Disorganized Oppression. As a reaction, this creature can force a DC 22 WIS Saving Throw on a creature that is attacking it and if the attacking creature fails, they must change their attack target.

Chaotic Teleportation. Chaos Space must be active to activate this reaction. As a reaction, this creature can swap the places of any two creatures in the spatial field.

This creature can take 3 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. This creature regains spent legendary actions at the start of its turn.

Attack. This creature makes two Strike attacks or one Dual Claw attack.

Deathly Hallow (Costs 2 Actions). This creature sends out a wave of necrotic energy. All creatures of this creatures choice within 30 feet must make a DC 22 CON Saving Throw, taking 4d10 necrotic damage and falling prone on a failed save, or taking half as much damage and not falling prone on a successful one.

If this creature has activated the Ritual of Chaos trait in the last hour, it can use the options below as legendary actions.

Discordant Symphony (Costs 3 Actions). A cacophony of infernal voices screech out in song. All creatures of this creatures choice within 60 feet of this creature must make a DC 26 INT Saving Throw or fall under the effects of the feeblemind spell, however the effects only last until the end of this creatures next turn and creatures affected by this can redo the Saving Throw on their turn.

Divine Chorus (Costs 3 Actions). A harmony of celestial voices sound out in song. All creatures of this creatures choice within 60 feet of this creature must make a DC 26 INT Saving Throw or fall under the effects of the power word stun spell. Creatures must repeat the same INT Saving Throw at the end of each of their turns if they want to escape.