ooc: i'm going to assume nobody object to that plan 
You bring the lantern into the central room and hold it near the fresco. Some lines light up, somehow catching the light from your new lantern.
The lines that light up form the same symbol that you saw on the bracelet of the 'mummy': the sign of Elysium.

You bring the lantern into the central room and hold it near the fresco. Some lines light up, somehow catching the light from your new lantern.
The lines that light up form the same symbol that you saw on the bracelet of the 'mummy': the sign of Elysium.