Each have nine subsections

Apprentice

Warrior

Master

Grandmaster

Lord

King

Emperor

Tyrant

Overlord

idk after but probably just adding "Spirit" or "Heavenly" in front

Spirit Beast have same cultivation rankings

Nine Heavens surrounded by something else, probably another 9 Heavens

There are treasures and sh*t, there are techniques and sh*t, there are physiques and sh*t

It is not uncommon for someone one minor realm below somebody to beat them in a fight, but generally difference in major realms is absolute. Treasures, techniques, physiques, and just plain intelligence can all make up the difference between minor realms