Chapter 20: Gone Missing
Reach the Endurance wreck.
Part 2 of Chapter 20.
Part 3 of Chapter 20 starts when Lara is tasked to find Alex.
Secret Tomb 6: The Flooded Vault
It’s at the start of the “reach the Endurance” area. Here’s your guide with puzzle solutions for the sixth Optional Tomb: The Flooded Vault.
Secret Tomb 7: Temple of the Handmaidens
It’s at the very beginning of the “climb to the research base” in Chapter 21: Storm Chasers. Here’s your guide with puzzle solutions for the seventh and final Optional Tomb: Temple of the Handmaidens.
Chapter 21: Storm Chasers
Start the climb up to the Research Base.
Tomb Raider 2013 Walkthrough continues on Page 6 with Chapter 22: Going Back In up to the game’s ending.