Head inside the wolf den and retrieve the pack at the end. We strongly suggest you to continue the main objective until you obtain a rope arrow and a Fire starter and then return to finish this challenge. The puzzle in this optional Tomb is to reach the top of the rockface and pick up the salvage and Treasure Map. After getting the climbing axe, Lara scales the waterfall. There are two such crates; this is the one hanging highest, close to the larger building. Check the base of the waterfall above the plane wreck where the rope bridge crosses the water. We strongly suggest you to continue the main objective until you obtain a rope arrow and a Fire starter and then return to finish this challenge. A treasure map is on the crate. for (i=0;i