1. Body Building

2.Spiritual Foundation

3.Rotating Core

4. Astral Projection

5.True Soul

6. Lesser Celestial

7. Greater Celestial

8. Lower Angels

9. King of Angels

10. True Deity

There are smaller rankings for Rank 1-9, which are called Tier-1 to Tier-12. Think of the difference between lower grades and higher grades, like A grade against A* grade.

Artifact Ranking:

1. Low Grade

2. Average Grade

3. Supreme Grade

4. Perfect Grade

Tiers 1-5

I realised that I was going to mention artifacts a lot more than I thought, so I'm adding this in to clarify things.