Survival of Single Combat in the Wilderness

You can't imagine what I'm going through, I'm going to survive! Try your best to survive! I will try my best to defeat anyone who hinders me from living! I will eventually become the last king of this wilderness! Food, water, fire, shelter, everything, I will eventually get it. The threats hidden in the dark are just whetstones to sharpen my knife! No matter what difficulties I encounter, I will eventually get up again, and I will reach the highest step by step! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.