Ra's Al Malak (narrator): This story is about a Tennyson who lost his parents. Why?

Ra's Al Malak (narrator): My evil twin brother Ra's Al Ghul killed them in his front. I knew he would seek vengeance. But I adopted him, trained him, raised him like a son.

Ra's Al Malak (narrator): My daughter and my other adopted son supported him during his training. And he could eventually master the League of Guardians' training. Now he goes on in a journey to find and fight my brother. But he's not alone. He will have various friends. They will help my boy in the fights to come. That's how Green 10 begins.