Starry Sky: Frail Craftsman Dominates the National Fate Dungeon

A broke cosplayer wakes up in a parallel world where his fake accessories have become terrifyingly real. Sharing a name with the legendary Yingxing, he's thrown into a deadly National Fate competition with nothing but his craftsman skills and a chest wound he painted on for dramatic effect. No romance, just pure survival as this 'frail' artisan slaughters his way through dungeons that determine his nation's destiny. Who knew that maxing out a gacha character would prepare him for actual life-or-death battles?