Fuck it. I don't care.
MGS3: The End fight.

It’s really not that hard people. The End shoots you with a tranq gun that drains your stamina. There is food all around you in the spacious battlefield, so just shoot and eat an animal to replenish your stamina. When The End shoots you, his location is revealed on your map. So, basically, just put on all snow camo, pull out the torch and start screaming “WHERE ARE YOU?” He will shoot you, you pull the needle out, eat a roaming markhor or rabbit, check map and Bam! You know his location. Now you can go get him!