Horizon of Darkness

And also a locked chest.

He reaches into the chest and tries to feel for something... To find something? To see something? Unlikely, considering the darkness inside, but who knows.

On the second floor, there were three rooms, one of which was a bedroom, and the other two were used as storage for alchemical containers.

He checks them in the same way. He also bumps his nose against the walls/floors/ceilings, to see if there are any unexpected cavities.