Ra's al Ghul (Earth-6531)

"I know the rage that drives you. That impossible anger strangling the grief, until the memory of your loved one is just... poison in your veins. And one day, you catch yourself wishing the person you loved had never existed, so you would be spared your pain."

- - Ra's al Ghul to Batman

Ra's al Ghul (Arabic رأس الغول, meaning Head of the Demon) was the leader of the League of Shadows. Inheriting the title from the previous Ra's al Ghul, he discovered the secret of immortality, which allowed the lead the League for centuries on their crusade to get rid of crime in the world. Among his many plots through history, he sought to destroy Gotham City. Under the guise of Henri Ducard, he trained Bruce Wayne into becoming the ultimate warrior, Ra's al Ghul almost succeed into turning Wayne his permanent disciple, until he rejected the possibility of killing a criminal, eventually escaping from the Shadow Temple and returning to Gotham. Ra's then plotted alongside Scarecrow to release Fear Toxin in the city to reduce it to ash, until he was stopped by Batman, none other than Bruce himself.

Early Life
"Once I had a wife, my great love. She was taken from me. Like you, I was forced to learn that there are those without decency that must be fought without hesitation, without pity. Your anger gives you great power, but if you let it, it will destroy you, as it almost did me."

- - Henri Ducard to Batman

The man who would be known as Ra's al Ghul was born in the 1400s to a nomadic tribe somewhere in the deserts of the Arab world, near an ancient city where the inhabitants traveled through the Arabian Peninsula to China. Ever since he was a child, the boy showed interest in science, as well as fairy tales, theorizing magic and science were one and the same. He met a young woman whom he fell in love, and the two started a relationship, however, something led to both of them being separated from each other.