The next step is elaboration, where new skills are added. This is followed by a period of stagnation, followed by a phase in which a novel skill emerges which is more advanced than the others. This novel skill then pulls the other skills along with it in a phase called reversion.
The next step is augmentation, where new expertise is introduced. This is succeeded by an interval of stability, followed by a period where a novel talent emerges that surpasses the others. This innovative ability then pulls the other skills along with it in a phase called reversion.