Saul was an immortal mutant who ruled for centuries in Northern China. Some of his power was derived from the Celestial's Ship, which crashed near his kingdom. However, hundreds of years ago, the Ship was stolen by Apocalypse. Saul apparently had twelve mortal children, and constructed giant booby-trapped tombs for each of them. He later joined up with other Externals, and together they used their knowledge and power to play global power games. Although Saul was immortal, he was apparently not indestructible, because his life was entirely drained by Selene.
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