|John and Ethan|
in their teens
It is known that Ethan Conant has a rivalry with John Blackwell for Amelia Blake. John was able to keep Amelia and Ethan apart so he would end up with Amelia. Amelia discovered the truth of John's betrayal and asked Ethan for his help in killing John. Ethan used a sway to give Eben the power to kill John but used the power to kill the other witches before he tried to kill John. Ethan assumed that John had died in the boatyard fire.
Ethan would stab John until Cassie witnessed the event and Ethan would run. Cassie stopped Ethan from escaping and would try to kill Ethan until John told her not to. John came to see Ethan to talk about how he tried to kill John with the witch hunters by giving Eben power. John kept his secret from the others in exchange that Ethan keep Cassie's dark actions a secret. Ethan reveal to John that Amelia wanted him dead so they would be together. John told Ethan that the Blakes and the Conants together is a curse.