Fake Tier 1 - Possession of either the basis Body of Godliness OR basic Void of Perfection.
Real Tier 1 - Possession of both the basic Body of Godliness AND Void of Perfection.
Tier 2 - Upgraded Body of Godliness and Void of Perfection.
Tier 3 - Slight Precognition gained. Upgraded Body of Godliness and Void of Perfection.
Tier 4 - Greatly increased mental faculties. Upgraded Body of Godliness and Void of Perfection.
Tier 5 - Massively increased mental faculties. Upgraded Body of Godliness and Void of Perfection.
Tier 6 - ?
This was the general trend of upgrade for control that Draco and Eva had noticed, and each stage yielded more benefits for the Void of Perfection that the Body of Godliness.
The official name for control, as was seen in the Eternal World, was Unity of Body and Soul, which was one of the most potent Eternal talents available but was exceedingly hard to achieve.