Start with a Skeleton

In these days of time travel, no one has a system to follow them. No matter how bad it is, there has to be an old man with a white beard who can come out anytime, anywhere to teach and teach the skills. Meng Chang, on the other hand, started with only a frame of bones and no flesh on his body. He dug it out by himself in a wild graveyard. He had to thank that the soil was not piled deep or compacted when he was buried. Looking around again, the grass on the grave is almost one meter high.