Empty Mirrorcatch Box

 is considered a Trade goods item. It can be taken to Aestival or the Surface, via the Cumaean Canal Staging Area, and turned into a Sunlight-filled Mirrorcatch Box.

Item description
"A chest with an embedded matrix of mirrors: an unlikely device for capturing sunlight."

Usage
It is also one of the components of A Serpent-Trap for the Tireless Mechanic's storyline.