One Qi refers to Immortal Qi. The entrance of Immortal Qi into the body signifies the Yiqi Realm.
Two Forms is the balance of Yin and Yang. Once a person masters their own Yin-Yang balance, they have entered the Two Forms Realm.
Three Talents stand for Heaven, Earth, and Man. It signifies that one has gained a little insight into the Heavenly Dao, has ample self-awareness, and their body is as robust as the Earth. This is entering the Three Talents Realm.
Following this logic, the division of the realms is actually based on different stages of cultivation progress. So, here comes the question.
What about Zhou Li?