Rise of the Tomb Raider - Hang 'em High Challenge: 7 Incense Burners Shot (Syria)
Completing all challenges is required for 100% game completion and to unlock the trophy / achievement "No Stone Unturned".
There are 18 challenges in total. They are all based on finding or destroying a certain amount of collectibles. On the map you can see how many challenges there are per area and press triangle (PS4) / Y (XB1) to see your challenge progress.
None of them are missable, you can still go back e
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