Kai Robin Havnaa

Retired athletes compete for the title of "Mesterens Mester".

In Helvetesuka, 13 high-profile Norwegian (ex)-athletes voluntarily put themselves through an extreme military simulation inspired by special forces selection.

Follows real-life happenings of Magne Havnaa, Norway's first cruiserweight boxing champion in 1990 by defeating American Richard Pultz. His brother Erling was a top-ranked kickboxer who later participated in Norway's largest robbery.