The rise would be anything involving Flair and the 4 Horseman. The fall would be Hogan showing up and getting the title.
The rise would be the luchadores making the undercard something to watch. The fall would be 3 of the best luchadores (Mysterio, Juvi, Psicosis) losing their mask.
The rise would be Sting at the 1st Clash of Champions. The fall would be the Crow gimmick.