Arrow

Season 3, Episode 22

Episode Title: This is Your Sword

Air Date: 2015-05-06

Overview:

Ra's tells Nyssa that she must marry Oliver or face death. Meanwhile, an unexpected ally travels to Starling City to ask Diggle, Felicity, and Laurel to help infiltrate Nanda Parbat. In the past, Maseo and Oliver try to find the cure for Akio before it's too late.