Well a large group of scientists wanted to experiment on making a super soldier that could infiltrate military targets of any kind and kill anything in their way of shutting them down. 4 year old flare was unfortunately on of the people they kidnapped to accomplish this task. Who before this lived with his rich father. He was taken to the laboratory at aged 5 and was left there until he was old enough to begin the experiments. In the meantime he was trapped in a hellhole filled with abominations ranging from the mechanical to the elemental to even the demonic. Skipping forward a bit we get to flare aged 17, in a fit of rage one of it the abominations breaks a hole in on of the walls, and all of the sane projects escape while the abominations just sit there like baffoons. Several research and other staff were killed in the escape and flare had killed a good chunk of them himself. And now we have him here at age 19, he kinda just walks around.