Rules Phenomenon: Check-In System Ascension, Even Horrors Tremble

When the Rules Phenomenon invades Earth, chosen champions are bound to their nations in a deadly survival game where victory brings limitless resources—and failure means annihilation. While others tread carefully through nightmare scenarios, Jiang Fan yawns. Armed with his overpowered check-in system, he casually signs in at the most terrifying locations, growing stronger with each visit. Soon, the supernatural entities themselves cower before him. "That's it?" he sneers at trembling horrors. "My daily sign-in rewards are better than your drops!"