My Reincarnated Identity is a Plot Hole, But My System Crits!

I was confident. As a transmigrator, the 'Reincarnation Tower' was my cheat sheet. I knew every novel, movie, and game world inside out. Easy mode, right? Then the system dropped me into a Hell Difficulty dungeon, replacing the legendary punching bag, You Tanzhi, just before the Juxian Manor bloodbath. My mission? Save martial artists Qiao Feng is about to slaughter. I'm the designated collateral damage, meant to die!