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Penitent Engine

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Penitent Engine[4]

Penitent Engines are horrific machines utilized by armies of the Ecclesiarchy. They are frequently deployed alongside the armies of the Adepta Sororitas, who consider it their sacred duty to witness these machines in combat.[4]


Piloted by heretics guilty of terrible crimes, this is amongst the worst imaginable punishments available to the Imperium. A multitude of wires and chemical injectors are implanted into the heretic's spine, which are then attached to a mechanical suit of destruction. When outside of combat, chemical implants inject feelings of guilt and pain directly into their brains, reminding them of their sins. Driven by their pilot's frantic need for forgiveness, Penitent Engines charge towards enemy forces heedless of danger, knowing that only in death can forgiveness be earned.

Those condemned to pilot a Penitent engines are often individuals who were once seen as pious by the Ecclesiarchy, such as Priests or Battle Sisters. As a result, the Sisters of Battle consider it a sacred duty to witness these fearsome machines in combat, observing the actions of their fallen brethren as they atone for their sins.[1]


The Penitent Engine is armed with twin Heavy Flamers and Chainfists, one of each on both arms. Penitent Engines piloted by Sisters Repentia modified to wield heavier firepower are known as Mortifiers[3]




Adepta Sororitas Forces
Command CanonessSororitas Command SquadPalatineSister SuperiorSister HospitallerSister DialogusSister FamulousImagifierReliquant at ArmsDogmataHagiolaterMinistorum Priest (ConfessorMissionary) • Ecclesiarchy Battle Conclave (CrusaderDeath Cult AssassinArco-Flagellant)
Elites Celestian (Celestian Sacresant) • Sisters Repentia (Repentia Superior) • Sister Oblatia
Troops Battle SisterSeraphimZephyrimDominionRetributorNovitiate
Walkers Penitent EngineMortifierAnchoriteParagon Warsuit
Vehicles Castigator Battle TankRhinoImmolatorRepressorExorcistMobile Cathedral
Aircraft Avenger Strike FighterLightning StrikeThunderhawkAquila LanderArvus Lighter
Characters Saint CelestineMorvenn VahlAestred ThurgaAgathae DolanUriah JacobusEphrael SternGeminae SuperiaJunith Eruita