For others to travel through, the worst thing is to start with a dog, and the rest depends on explosion. But when it comes to Huang Di, there is a wolf at the start, and he still wants to eat his wolf. One day, I will still feel: At the beginning, I had the opportunity to have a loyal pet dog, but... I was really cold and hungry at the time...PS: primitive tribe exploration, farming, war Wen. No cultivation, no system, ordinary people flow.