Doctors

There are three doctors who will allow you to spin/re-spin your quirk.

Doctor Jennifer- She will let you get a new quirk for 5000/5k cash, and will give you at least a common quirk but you can end up with, uncommon, rare, and legendary too.

Doctor Daniel-He will let you get a new quirk for 100000/100k cash, and will give you at least a uncommon quirk but you can end up rare, and legendary too. No commons will be given to you.

Doctor William-He will let you get a new quirk for 1000000/1m cash, and will give you at least a rare quirk but you can end up with legendary too. No commons or uncommon will be given to you.