Complete Training, Camp Taccoa

Completing the Canyon.

Unlock Elika's Saving Ability.

Enter the Canyon.

Kill 100 enemies with headshots

Kill 50 enemies with the M4

Kill 50 enemies with the 92FS - 9mm

Find 10 treasures

Kill 50 enemies with the AK-47

Kill 10 enemies by aiming while hanging from a ledge

Kill five enemies with a single punch, after softening them up with gunfire

Find five treasures

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)