The message was the only thing I could see in the dark.

[The seal has been broken.

* You have entered ‘The End of the Isolated Deep Sea.’]

My ears were oddly muffled, and I realized I couldn’t breathe. A hard material was covering my entire body and locking me up. I raised my Strength to the highest level, but that wasn’t enough. Cracks only began to form when I used a series of available skills. Then, I was able to open one eye narrowly, and air came in through the small gap. It finally became possible to move around a bit.

The pieces that broke out of my body resembled calcium compounds, but they had an incomparable degree of power. Each part that was exposed to the air was filled with moss. I could smell the saltiness of the Maruka clan.

[You haven’t selected the subject to use Life Vessel on. Please choose.]

This wasn’t important. Apparently, I had been stuck in this mysterious substance for a while. I was inside a dome-shaped structure. In addition to the salty smell of the Maruka clan, the space was filled with musty air. Other than the lumps of hard material that fell off from my body, it was simply an empty spot with only one stone tablet. The tablet...