Also known as: スティールヘイズ・オルトゥス
The second AC piloted by V.IV Rusty in Armored Core Vi: Fires Of Rubicon.
It is a light weight bipedal AC made up entirely of the 'ALBA' series parts produced by Elcano with cooperation of Furlong Dynamics, changing its armaments arsenal entirely, incorporated a bullet orbit into it's armaments, keeping only the energy Double Blade from Steel Haze. Similar to Steel Haze, Ortus is also painted in predominantly admiral/azure blue and grey.