The lives they lived had changed a lot since they brought Jester's proof, and as they were promised, each of them obtained what they wanted.
Anna's Tower might not be the strongest or the most influential in the Mage institute, but her's was the richest, even when compared to the Tower of Transmutation. While the Elemental Tower with its 'new' Tower owner had been turning more recluse as time goes by. It would seem that the blood they lost during their previous Tower Owner's betrayal hadn't been recovered, and with how the current Tower owner prefers to keep to herself, it can be seen that their decline was meant to happen.
Giving The Tower of Contracts a chance to exceed them in every way possible.
While for Kassandra, the old tower owner of the Illusion and Phantasm Tower, she can't return to her old post, that was obvious. But she did got the position of a shadow head that was affiliated with the Tower and enough fundings to keep her busy.