Leonidas once led 300 Skrall around Spherus Magna, and created a small empire in the Black Spike Mountains. This empire collapsed, resulting in the death of all 300 of his men, at the hands of another Glatorian, Xerxes. Leonidas was on a mission in Bota Magna, with another 300 Skrall, 50 of which were Special Forces Class, when the Shattering accoured.