At 32 minutes 46 seconds, the main guy, falls in ice and afterwards is shown drying himself off in front of a fire. He is shown entirely nude from his backside (butt is shown) for several seconds.

The main character is shown jumping into a pool of water naked. He is shown from the front but it is difficult to see any detail though you can see his pubic hair. He then falls asleep face down, still naked. He is awaken and is shown chasing a herd of animals and wolves. He is still naked for this scene. Though you never see any detail this scene does last a while.

The main character shoots at a plane being flown by an antagonist.

The main character kills and eats mice.

2 "hell" and 1 "Lord". Very mild.

The main character drinks beer and smokes a pipe.