Proud, honourable, and romantic, the flamboyant General Castillon is a French mercenary who serves Emperor Shah Alam. He has spent many years in India, making it his home, and has become friends with Margaret.
A veteran of combat around the globe, this shrewd tactician is unnerved by John's arrival in Delhi and accuses him of being an agent for the company, advising Margaret to be wary of him. He is close friends with Vijay Singh and has a network of spies and informants throughout the city.
Castillon is determined to uncover the truth about John, but although the two men are natural rivals, they share more similarities than either of them would like to admit.
