How did QQ Huaxia Shen Yuan evolve?

The level of evolution is related to the type of growth. Ordinary people cannot evolve. Excellence can evolve into infancy, Excellence can evolve into maturity, Excellence can evolve into elite, and perfection can evolve into guard. Evolutionary meta-gods should use primers of corresponding levels (for example, primers of larval level should use primers of larval level). Introductions can be graded and so on.