I get that authors want their MCs to be cool but I've always been partial to average, lower talent people that get good through hard work... Where are those stories lol
He definitely needs to disown his parents. These two seem to care more that their daughter has powers than if their son is okay. Sure, it may be a world where power is law, but they would feel as dejected as any parent if he had gone ahead and jumped earlier.
Korin