Upgrade flow.
Warriors divided into realms: forging body, channeling, gathering soul, refining soul, awakening soul, stepping on air, breaking through air, dominating, immortality
The pharmacist who divides realms: Huang, Xuan, Earth, Heaven, Chen, Star, Moon, Sun, God
Physics of elixirs: one or two are low-grade, three or four are medium-grade, five or six are top-grade, seven or eight are top-grade, nine are super-grade also known as flawless
Spirit beast/soul beast class: body forging, meridians opening, spirit awakening, bone refining, spirit awakening, condensation, transformation, domination, immortality
PS In addition to spirit beasts and soul beasts, there are also ordinary beasts, such as chickens, ducks, pigs and dogs.