Board Thread:General Discussion/@comment-25355646-20140901232703/@comment-25355646-20150405174443

Ana never thought she was going to take part and the spell. In Bad Blood, Jafar told her that he would be the only one involved in the spell, and Ana seemed to know this. She didn't learn about Amara until Dirty Little Secrets.

What I meant by the well is that the spell originated from the well. Cyrus, Taj, and Rafi were needed because they were all cursed by Nyx. I thought that was always obvious. Also, the well's water could resurrected Ana, proving that the well is the origin of the spell that could breaking the laws of magic.

P.S.- Even though it wasn't confirmed, I think the three brothers were needed either because of their strong blood connection or because they were all cursed at the same time. I say this because there are probably numerous other people cursed to be genies by Nyx (I know Amara was after her sons but the spell still existed).