Your question reminded me of the purported efforts of one of the male children of the Lykov family (the family separated from civilisation in deep Siberia):
> Lacking guns and even bows, they could hunt only by digging traps or pursuing prey across the mountains until the animals collapsed from exhaustion. Dmitry built up astonishing endurance, and could hunt barefoot in winter, sometimes returning to the hut after several days, having slept in the open in 40 degrees of frost, a young elk across his shoulders.
https://www.smithsonianmag.com/history/for-40-years-this-rus...