Secret Tombs and Treasure Maps
The 8 optional tombs, puzzle solutions, treasure maps and the Chatterbox achievement.
1.Secret Tombs (8)
Solve each tomb's puzzle for a treasure map; all of them grant the "Intellectually Superior" achievement.
| Tomb | Region / tool needed | Short solution |
|---|---|---|
| Tomb Of The Unworthy | Mountain Village / Climbing Axe | Light the torch, burn the bodies on the mesh platform, climb when the lift rises |
| Halls Of Ascension | Mountain Village / Flint + Rope Arrow | Crank the shutters closed, raise the center platform, board it when the wind comes |
| Well Of Tears | Shantytown / Rope Arrow | Throw the yellow canisters onto the hanging platform, remove them, jump to the rising platform |
| Chamber Of Judgement | Shantytown / Climbing Axe + Rope Arrow | Throw canisters onto the raised seesaw side, balance with a rope arrow |
| Stormguard Sanctum | Summit Forest / Fire Arrow | Explode the gas with a fire arrow, blow up the crates, climb |
| Temple Of The Handmaidens | Shipwreck Beach / Rope Ascender + Climbing Axe | Crank to release the buoy, use the turning pole to jump the gap |
| The Flooded Vault | Shipwreck Beach / Climbing/Prying Axe | Burn the anchor rope, raise the generator, pull the platform under it to make the water safe |
2.Treasure Maps
14 treasure maps reveal relics, GPS caches and documents on the map. Some unlock by completing tombs. The Tier III "Cartography" skill reveals all map locations.
3.Chatterbox Achievement
Talk to your friends at 7 story moments; miss one and you can't get it that playthrough: Whitman before/after 50 salvage, Roth after the wolves, Roth before the zipline (rope arrows), Sam/Reyes/Jonah at Shipwreck Beach, the camp friends before/after going to the Endurance.