Getting used to one's power, perhaps due to the influence of the Subordinate God status, or maybe because of one's position.
Qin Lan adapted very smoothly to her own power, and could even borrow a portion of Fang Jie's power. She believed that with a few months' time, Fang Jie's power would be fully unleashed.
Moreover, by then, she would also reach the Legendary Peak.
A Legendary Peak with a certain level of Divine Soul and Divine Body would find understanding the laws much easier.
Qin Lan broke through by becoming a Subordinate God, so the possibility of failing to advance didn't exist for her.
However, back then, for such Subordinate Gods, if the God themselves died, the impact was very significant.
If they had not understood their own laws, upon the God's death, these Subordinate Gods would lose all their power and die instantly. Or, more accurately, they would be in slumber, waiting for the God's resurrection to revive themselves.