Ginnifer Goodwin reveals why the Charmings should NOT be wielding that dagger. Who will be in possession of the Dark One's dagger in season 5 of ABC's Once Upon a Time? 'Once Upon a Time's Regina 'Hates Owing Anyone' But Will She Try To Save Emma? Emma (Jennifer Morrison) disappeared into the darkness in the season 4 finale, leaving behind only the dagger with her name emblazoned on it.