Child Mahogany

Amorphous. Cant have shape altered 

Legendary Resistance. twice per long rest choose to pass a save instead of fail 

idle transfiguration. At the start of each of your turns heal 30 HP unless you took soul damage this round or last round, if you would die of damage that isnt soul damage instead become incapacitated for 1 minute and regen HP at a normal rate every 6 seconds, once your HP is full you lose the incapacitated condition 

Cursed Energy. Mahogany harnesses his cursed energy from mankind and has 12 cursed energy points 

Inhuman Nature. Mahogany is immune to the effects of critical hits 

Black Flash Savant. Mahogany has high aptitude for black flashes, when rolling cursed energy checks to make a black flash roll at advantage 

Has a +8 to cursed energy checks

Multi attack. Make 2 punches and you may make 1 idle transfiguration attack 

Punch. Melee Weapon Attack: +9 to hit, reach 5 ft., 1 target. Hit: 2d6+5 cursed bludgeoning  damage.

Idle transfiguration. Special Action. At the cost of 2 cursed energy, Choose a creature within 5 feet, they must make a DC 16 dex save or lose 75% of their max HP, on a pass or using hardened energy they lose 25% of their max Hp, if you pass and use hardened energy they instead take no damage 

Form Shift. Change current form at the cost of 1 cursed energy, start with no form equipped 
Forms 

1. Thorn, upon making contact with this creature thorns extend and deal 20 cursed piercing to the creature unless they make a DC 15 dex save 

2. Speed, your speed is tripled and you have a +4 to AC and make 1 additional punch attack per turn, all dex saves originating from this creature increase in DC by 2 

3. Bladed, your Punches now deal slashing damage and 3d6+5 rather than 2d6+5 

1. Hardened energy: as a reaction reduce damage by half and negates certain cursed spirit/technique features, costs 1 cursed energy
    
2. Once per turn you can attempt to infuse cursed energy into your melee strikes, upon hit with a melee attack you may use your reaction to go for a black flash, roll a cursed energy check, on a success DC 25, you deal 3d8 additional cursed bludgeoning damage and enter flow state

Mahogany has 3 legendary actions and they refresh on the start of his turn 

Idle Transfiguration (Costs 2 Actions). Does the thing 

Quick Strikes (Costs 1 Actions). Make 2 punch attacks 

Form Change (Costs 1 Action). Change your form