Fully upgrade a weapon

Find the Silver Box of Ix Chel

Buy an item from a merchant

Kill 5 enemies while they are searching for Lara

Complete a Side Mission

Complete a climb after finding the Overhang Climbing Gear

Get out of the Cenote alive

Perform a Stealth Takedown on 25 enemies

Enter the Temple of Life's inner chamber

Perform a Stealth Takedown from a mud-covered wall

Learn of 5 interesting locations from civilians

Purchase a Skill

Remove the dagger from the Temple of the Moon