After a matter antimatter annihilation, the result is radiation and heat. Naturally intense heat creates a massive shockwave as well. I think he just needs to create a shield generator that absorbes heat and radiation to stay active constantly. He can examine his own bloodline for this.
Welcome back Ark, it's good to see you writing again. Remember to watch out for burn outs though! Take your time if it's necessary . Again thanks for the chapter.
