I think I saw that ability in some anime, my guess would be darker than black but I might be wrong. Pretty cool tho
The fifth family's ability was the ability to create explosive power from their blood. Depending on how strong there MC points were and how much blood was used, the stronger explosions could be made.
"Who are you really, is this the difference between the punishers and the rest of us?" So far, Fex had multiple guesses about who Quinn really was but all of them seemed to be missing the mark. Everything just didn't go together yet.