Body strengthening(1 - 10) — Low class Being

-Absorb Ki to strengthen the body

-Can't store Ki

Ki Gathering stage(1 - 9)— Middle class Being

-Can now store Ki in Dantian but Dantian size differs from people to people

Ki Fortifying Stage(1 - 9) — High class Being

-Ki stored in Dantian is purified

Core Formation (1 - 6) — Ultimate class

-Purified Ki is compressed to a high degree to create a many cores - max cores is 9

Golden Core Stage (1 - 6) — Super Class

-Multiple cores (depending on the number created in Core Formation) are merged into a Golden core

Angelic Core Stage(1 - 3) — God Class

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Immortal stage — True God Class

...

This shows the cultivation realms compared to the power system in DxD.

Sorry 😞 😞 for my inability to describe people and clothes.