[For reference purposes only. May contain spoilers]
Mortal - People who have no Qi.
Apprentice warrior - People who newly developed Qi in their bodies.
Warrior - People who mastered Qi in their body.
Master Warrior - People who started to control Qi in the outside world.
Grand Master Warrior - People who mastered the control of Qi in the outside world.
State of Core:
Natural: this is the state at which the core is formed initially by the worlds will.
Element specific: As one continue to concentrate on a single element there core evolves to match it. The power output of Arts also depend on the type of Core. Fire, Wind/Air, Land, Water are the known Elemental paths for cultivation.
Paths of cultivation:
Every element has its own preferences. If the cultivator is in sync with their element then there power output and cultivation speed increases.
Fire: Rage and Anger.
Water: Calm and Flexible.
Land: Resolute and Stable.
Air: Freedom and unbound.