I’ve become the ultimate crafting all-master character in a game world, excelling at everything except combat. And now, I am the only one who can save this Northern Grand Duchy.

The world teeters on the brink of collapse. One day, ordinary humans begin mutating, developing violent tendencies and turning on their own kind. The only force capable of stopping these “Variants” is the Esper Unit, among whom Kang Yu-han and Seo Ji-hyuk stand out as some of the most promising soldiers. But they’re infamous for…