When I climbed up to the 91st floor, I was met with an open world. The sky was high and blue, and a vast sea was before my eyes. Under my feet was white sand.

“Did I come to the wrong place?” I blurted out.

I couldn’t be blamed for wondering. I roused my mana as I suspected I was in an illusion, but nothing changed. Even a god would find it difficult to trick me. That could only mean that the scene before me was real.

I turned around, and I saw an unnaturally placed stairway that proved that this was the 91st floor. I had arrived beyond the 90th floor, which few people had ever seen.

I muttered, “I don’t know what this means but I’ll know once I start walking.”

After preparing myself to deal with whatever might come my way, I shouted, “Commence exploration!”

Plump! The moment my voice thundered out, I heard the sound of something falling in the sea. That wasn’t the only time I heard this. Almost as if someone was throwing giant boulders into the sea, the sound rang out continuously.

“What’s going on in the sea…?” I mumbled to my...