Bruce Wayne's travels across the world, training while searching for his calling, before he became the Batman. From learning about criminology and forensics at Cambridge University, tracking from Henri Ducard, escape artistry and sleight-of-hand from magician Giovanni Zatara, ninjutsu and martial arts from ninja master Kirigi, assassination techniques from David Cain, to serving as a member of Ra's al Ghul's League of Shadows where his relationship with Talia al Ghul began. With flashbacks to his teenage years in Gotham when he learned acting and disguise from Alfred Pennyworth, boxing and fitness from Ted Grant, and detective skills from Harvey Harris.
