Thats my boy Accelerator. Without too much spoilers, he is from an anime called a Certain Magical Index where there are people with psychic abilities called Espers. There are 6 vespers who are the best of the best - Acceleator being the absolute #1
Something happened to him that reduced his power to half at the point of this video, had to walk with a cane, and he was STILL miles ahead of everybody else.
I'm no supporter of domestic violence, but this shyt right here
"JUST BECAUSE I GOT WEAKER DOESN'T MAKE YOU ANY STRONGER...DOES IT?!?!"