The cultivation levels are as following with levels of 1-20 but can go to next stage on level 10

Skin refining

Muscle refining

Bone refining

Organ refining

Soul refining

Body Changing

Element comprehension (level 1-5 one element 6-10 two elements 11-20 three elements)

Law comprehension(only the laws derived from the elements that were comprehended)

Dao comprehension(only from the derived laws)