Board Thread:Breeding Questions/@comment-5364400-20130818151927/@comment-10090661-20130821004530

Generally groups across the world practice this -- no promotion for people who ask.

Yes. The breeding times for all Legends are 54 hours (2 days + 6 hours), requiring 54 gems to speed up at the beginning. Sometimes DC tells you 2 days 5 hours if you're slow at clicking the button to show time.