Becoming a superhuman

You scare your brother, but he instantly recognizes you and he calms down. You start to laugh at him and he smiles back. You begin to start training to become a hero your brother is very proud of your progress and how you're handling everything. As time comes you fight criminals with ease and no one stands in your way, because they can't see you! As you continue being a hero, everything just gets better from there and you finally feel as if your life is complete. You go to fight a villain one day, he was very tough, knowing that you weren't going to make it out, you saved everyone before the building had collapsed. Everyone thought you were gone. Until you had sprung out of the rubble, injured but not dead. You were cheered for and you were known truly as one of the best heroes.