Shinra's Abilities 

Adolla Flame

Shinra will have all the abilities of the pillars but nerfed for MHA

He will not start with all of them but will gradually gain them as the story goes along

He will gain them but will most likely not use them all 

He will get abilities at random times

Pillers abilities nerfed

Shinra will get up to light speed

and will have his normal fire feet abilities, though he will be able to use his hands.

Sho 

He will get shoes time stop but the drawback will be more prevalent with him getting frozen quicker.Along with flame feathers though that will just be for show most of the time

Inca Sensing fires will be inherited along with her tracing ability 

Suns fire claw will be inherited not his rings

amatarastu(IDK her ability)

When awakening this ability he will get a boost in fire power and better control of fire

Haumea 

Electricity and electro magnetic shield will be inherited though later on.

Sumire

He will get her vibration abilities later on 

Iris 

Flame resistance and shock wave resistance will be passively on him and he can give it to others later in the story.

He will have the body of a fourth generation so he will get superhuman strength like endeavor along with flame resistance.

This is all subject to change.