http://www.youtube.com/watch?v=Z3dwRuh5CuA Episode Description: THE LEAGUE OF ASSASSINS SETS THEIR SIGHTS ON NYSSA - Oliver (Stephen Amell) goes through a rigorous transformation. The League of Assassins sets their sights on Nyssa (guest star Katrina Law), who is back in Starling City training Laurel (Katie Cassidy). When Nyssa realizes they are coming, she arms up to face … Continue reading ‘Arrow’ Season 3 – Promo For Episode 21, “Ah Sah-Him”