You have stumbled across an odd, palm-sized prism. You get puzzled on what to do with it. You try to think of what the village people have told you.
It suddenly hits you.... You need to refract light through the prism to gain a key. The key will later lead you cl0ser to PaperCutt.
The light source has to be perfect. In order to find the perfect light source, you need to go through an ancient and dangerous temple.
The temple has puzzles and deadly hazards. Best of luck to you.
