Here is a general idea of the level of this book:
Each level is divided into early stage; middle stage; late stage.
Shura: Apprentice Shura, Shura, Crazy Cultivator, Blood Cultivator, Demonic Cultivator, War Cultivator, King Cultivator, Imperial Cultivator. (Later levels will be developed slowly)
Soul skills: human level, earth level, heaven level, god level. (Soul skills are divided into three levels, low level, middle level and high level)
Warcraft: earth level; heaven level; king level; emperor level; holy level; (each level is divided into early stage, middle stage and late stage)
Pills: human level; yellow level; mysterious level; earth level; heaven level (each level is divided into low level; middle level; high level)