Ministry of Etiology

The Ministry of Etiology is an executive department of the Covenant that dealt with "the study of causes, origins, or reasons," explained by its name. The Minister of Etiology was present at Installation 04, aboard the agricultural ship Infinite Succor, before he was assimilated by the Flood and the ship destroyed in order to prevent the parasite's escape.

List of appearances

 * Halo Graphic Novel
 * The Last Voyage of the Infinite Succor
 * Halo: Fleet Battles