None listed in current Imperial records.
- Aes Domino (Warhound-class Titan) - This Warhound Titan, known as the "Brass Lord," currently serves under the command of Magos Dominus Infirmum Octo, and is the champion of Octo's Adeptus Mechanicus forces.
- Magos Dominus Infirmum Octo - Infirmum Octo is a magos dominus who is widely regarded by his peers as a radical for hunting down forbidden technology. Among the fruits of his labour are a group of relic Imperial Knights from an unknown household that Octo had recovered and repaired. Now fully functional, the recovered Knights once again fight for the Omnissiah as part of Octo's Adeptus Mechanicus forces. It is rumoured, however, that due to the Knights' ancient designs, their pilots must be permanently grafted into their mechanisms for them to function. Octo also is served by the Warhound Titan Aes Domino, which has been seconded to him from the Legio Aeris Aestus.
The Legio Aeris Aestus's colours are not listed in current Imperial records.
The badge of the Legio Aeris Aestus is not listed in current Imperial records.
- Warhammer: Visions 26, "Aeris Aestus"
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