My Plug-in Levels Up Everything

His idyllic life as a rich young master was shattered when gruesome serial murders escalated, claiming his fiancée, Yang Ruixue. The genteel 19th-century world he knew was a horrifying facade, infested by 'beasts' and 'evil spirits' beyond human comprehension. But in his despair, a drop of his blood on Ruixue's \"lucky stone\" activated a mysterious 'Plug-in.' This wasn't just a system; it was an omni-upgrade, instantly mastering any skill he acquired. Within hours, a basic combat technique transformed into an invincible art, granting him superhuman senses and lightning-fast reflexes. Now, with a cracking artifact as his power source and a world of true horrors revealed, Tang Wen must become the ultimate Martial King or be consumed.