What if one of walburgas punishments went to far

Sirius Black who grew up his whole childhood loving
and playing quidditch, joining the Gryffindor team as a beater in his 2nd year Sirius Black who had all the energy in the world and was constantly running
around Sirius Black whose friends couldn't fathom how he was always running and jumping and flying and never tired Sirius Black who, at age 16 over Christmas break, lost all of this in one night Sirius Black whose mother's took punishment to far. Sirius Black who finally left his family home for good because of this. In December 1975, over Christmas of 5th year, after playing a prank on the elves, Sirius Black was punished by his mother. His leg was paralysed below the knee and he couldn't play quidditch anymore, he couldn't run around or jump anymore, so once and for all, he left for good. the Potter's help him through this as much as they can. he returned to Hogwarts in January 1976 wearing an leg brace and using a walking stick, and
there were whispers. Remus lupin who had only just started using a cane for the pain being a werewolf caused him. Tried to help Sirius deal with it as best as he could. Sirius Black, would hex anyone who said anything even remotely ableist to him or Remus.