Power levels are only used by mortals, the lowest was a pseudo-planetary level, and the highest was a Forbidden level.

Pseudo Planetary - any being that couldn't destroy the world falls into.

Planetary Level.

Star Level.

Galactic Level.

Cosmic/Universal Level

Multiverse/Outerversal Level- this is where ROB(Random Overpowered Being) falls into.

Gigaverse Level.

Megaverse Level.

Dimensional Level.

Omniversal Level.

Void Level.

True God Level.

True Creator Level- this is the standard form/strength of the True Creators.

Forbidden Level- there are only three people who reach this level and one of them stands out the most because he reaches this level with his mortal flesh which is impossible to do.

By the way, Forbidden level was the true strength of the True Creators.