To the Mandalorians, the Basilisk droid was known as the Bes'uliik-the 'iron beast' in the. Following the Mandalorian Crusaders' conquest of Basilisk in 4017 BBY, the Mandalorian warriors pillaged the powerful war droids for themselves. The Basilisk war droid was a powerful, semi-sentient combat droid, designed by the Basiliskan race native to the planet Basilisk, located in the Core Worlds.