"Dunno. Haven't done this quest before. It said it was in the ruins, and the island is pretty small, so shouldn't be hard to find." In fact, the path they're on is already leading up to the destroyed brick structures, overgrown with vines and moss. Finnick ventures inside carefully, searching around. There is some evidence of cultist activity, but from a while ago- charcoal pencils wet and warped from moisture, things drawn on the walls. Finnick looks closely at the markings, which for the most part are hard to parse. There are snippets of writing here and there.

"Obsidian... Sand? Shard?"