Zeratul is a dark templar hero unit. He appears in the missions "Homeland," "Shadow Hunters," "Eye of the Storm," "Escape from Aiur," and "Countdown." He also appears in the missions "Into the Darkness," "The Trial of Tassadar," "Legacy of the Xel'Naga," "The Insurgent," "To Slay the Beast," and "The Reckoning" as an NPC hero.