The preparations for the advancement were basically all carried out in the Tower of Diligence.
Besides feeling out external Magic Power circulation and improving Magic Power refinement, Blake mentioned a lot of things to watch out for, and shared with everyone his insights from taking the advancement trial.
In the end, he named this advancement trial special training the "Fourth-Tier Sprint Class." In addition to their individual study in class, the last period every afternoon was changed to studying and gaining insights in the Tower of Diligence.
After that, he no longer set specific study times; they could study into the night.
But at the end, Blake emphasized one more thing.
