Heli Sur (Redline) (2012)

Two military personnel return to Iraq after the 2003 Iraq war under the auspices of archaeologists to recover a stolen Medes artifact hidden deep in uncharted mountainous territory of Kurdistan. They form a team with locals and trek to the artifact's location, but as they close in on the area they find their emotions and traits become amplified through a mysterious supernatural entity that manipulates and dissipates the team.