Nyssa Al Ghul returns to Star City to warn Thea that a group of renegade League of Assassins members are planning to attack her on Arrow. "The Thanatos Guild" is the 16th episode of the show's sixth season.
To live I had to make myself more than what I was, to forge myself into a weapon. I am returning not the boy who was shipwrecked, but the man who will bring justice to those who have poisoned my city. My name is Oliver Queen.
