A disillusioned teen finds purpose and fights for survival at an elite academy for the Deadly Arts.

Emma’s powers run amok and she turns to Gold for help, Elsa and Anna’s relationship is tested, and the Snow Queen’s agenda is revealed.

Amara unleashes a dark fog on a small town, causing everyone to go mad. Dean and Sam realize this is a stronger version of the original black vein virus Amara…

Felicity is frantic when she learns that Ray is alive and being held by Damien Darhk. Felicity’s guilt over not finding Ray sooner causes tension between her and Oliver. Meanwhile,…