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Ortus is a named Promethean Knight.
Knight Ortus spawns in certain Warzone Firefight simulations. He carries a Heartseeker and a Didact's Signet into battle, and will switch between both weapons depending on the situation. He, Bellator, Praeliator and Sectator are collectively known as the Harbingers.
- When a player is killed by Ortus, his name shows up as Knight Asphyxia.