User blog comment:93tomasko93/The biggest WINX fails in Season 5!!/@comment-8796478-20140601155229/@comment-27111026-20140602000419

For your #1 reason, I don't think it's right. Trix still have their Dark Sirenix for the 3rd movie -- which actually happens before season 6's event but after ep 601 event. So that means they will loose Dark Sirenix in the Infinite Ocean, not because of Daphne.