Perform the Serpent's Fury 3 times

Complete Shadow of the Tomb Raider on Smart and Resourceful difficulty

Finish the main storyline

Make an unlikely ally

Defeat the Nahual

Shoot a turkey with a Flare Round

Find the Silver Box of Ix Chel

Find and open all the main game Conquistador treasure chests

Takedown 10 enemies while Endurance is active

Craft special ammunition 50 times

Rescue Hakan from the cultists

Complete a climb after finding the Overhang Climbing Gear