Brutal Mechanics

"The Black Fog wipes out every single living thing left on that floor—players included. So, we're all forced to keep pushing up, running for our lives."

The scrawny man let out a long breath. "Though... based on past experience, the dungeon's only been open a day or two. The fog has probably only swallowed up to the sixth floor. We pushed fast and made it to the eighth, so the fog isn't breathing