In body strengthening levels, body is strengthened to store Qi from Heaven and Earth. Higher the strengthening higher the Qi gathered. In Qi Gathering stage the Qi from Heaven and Earth are gathered into the body.
From foundation forming to nascent soul forming, the cultivation levels are split into initial, early, mid, high and peak levels.
Tribulations stage have 9 levels in which each type of tribulation should be faced in each level.