A bunch of teens are summoned to be heroes, to save a world. One of these teens is Elijah Cooper, an average British teenager.  He is summoned along with his classmates, each gain classes and a system but Elijah's is a common class called Runesmith! Now he is determined to be the strongest in the world and he'll accomplish that goal with Runesmithing and his Unique Skill Creation, he will make all manner of devices from guns to explosives and with the power of modern firearms and weapons, he'll bring hellfire down upon anything that dares to face him!