A pot of viscous crimson liquid slowly poured into bottles, Marvin sealed the bottle of Mercury's Blood and placed it in a corner of the shelf.
The raw materials for the magic potion, Dino had already shipped them over from the Romanov Kingdom.
All he had to do was craft these materials according to the steps. Having made it several times before, Marvin was now extremely familiar with the production process and would be much faster with an assistant.
Levin, who assisted Marvin in making the magic potion, stepped out of the basement, sat on a crate, removed his mask, and began drinking from the silver flask he carried with him.
Before long, Marvin came up as well. He closed the door, glanced at Levin, and Levin, understanding the cue, activated Mermaid's Tear, sealing the basement within the walls, utterly hidden.
From the outside, the chamber used to store important goods was just an ordinary wall.
