Traveling Through Primitive Tribes, I Became the King

The Manshan tribe is very united and xenophobic, killing all outsiders regardless of whether they are good or bad? Is there any hidden secret? The protagonist Yang Yi traveled to the Manshan tribe, how did he survive? Yang Yi originally wanted to use modern knowledge to lead the Manshan tribe to become stronger step by step! Unexpectedly, I later learned that there is also "Qi", which the human body can absorb to become extremely powerful! Without a golden finger or a system, how could Yang Yi lead the Manshan tribe from a small tribe to a super large tribe step by step? Finally become the king!