Escape the Cavern | 16: No One Left Behind Walkthrough Tomb Raider Guide

The final part of the current stage isn't too challenging. Head north, leaping over to the hanging platform pictured above. Scramble it up to the top.

There are to more leaps to perform - the first with the intention of grabbing onto the hanging platform, the second to reach the safe ledge outlined in the distance. Once you're there, the game will trigger a cut-scene and conclude the current task (reward: 400 XP).