Original: Liam Neeson as Henri Ducard : In reality the true Ra 's al Ghul in disguise and the main antagonist of the film , Ducard trains Bruce in ninjutsu , a form of martial arts .
Simplified: Liam Neeson as Henri Ducard : In reality the true Ras al Ghul in disguise , Ducard trains Bruce in ninjutsu , a form of martial arts .