League of Shadows Returns with a Vengeance

Klein straightened slightly, but quickly relaxed again. The bespectacled leader ultimately smiled helplessly. "Sandra, you should leave. I can't help you now." "You want to betray us?" Sandra's face turned icy. Klein chuckled softly. "Betrayal? No, you abandoned me first. Back in Gotham City, Ninja Master was defeated by Batman. Everyone thought he had died in the train explosion. Even I thought so." "Not a single one of the League of Shadows' many mid- and high-ranking members cared about me. You left me to fend for myself.