Strangeness Is Coming: I Am Haunted by an S-Class Female

The red moon hangs in the sky, and the weird dungeon descends. Human beings are powerless to resist the weird. When people are in fear of being selected by the dungeon, Lin Han makes a deal with the weird. "I see you've been stuck in Class F for a long time. We can make a deal." "Please accept this small amount of Yin power." Lin Han thought he could thrive in the dungeon, until he was mysteriously intercepted by an S-level woman...