OOC:
There are two chests - a solid one and one with little crack. Which one Thorem choose and how do you mean "open it more" - do you try to tear apart the one with the crack?
[ +- ] How I mean cracked chest - approximately like this
This chest has a cover though, you may try to open the cover, but I would not call it "open more". That's why the question.
Before I resolve Thorem's actions I will give other players few more hours to describe their PC actions. Investigating structure and moving around would have taken a few minutes.