While Aster felt the strange connection between him and the two stars which were resonating with each other, he remembered the contents of his cultivation manual.
Just like Lilia and Alice he is using the "Might of the dragon king" manual, although Rya told him to not worry about the manual he used, he still tried to somewhat follow the instructions of the manual, and the lessons his mother patiently gave him.
Although the manual has the generic information as well as advices from others that have walked through the same path on how the reach all the way to the heavenly conqueror realm.
Lilia has limited herself to just focus in what is needed for the realm which comes after the one he currently is at.
According to Lilia, the stellar constellation realm is an important step in the life of a cultivator.