| Achievement | How to unlock
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| Chapter I - Complete | Complete all Chapter I Missions.
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| Chapter II - Complete | Complete all Chapter II Missions.
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| Chapter III - Complete | Complete all Chapter III Missions.
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| Contempt Maintained | Complete Forges of Corruption on My Armour Is Contempt Difficulty.
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| Defeat a Great Unclean One | Defeat a Great Unclean One.
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| Defeat a Lord of Change | Defeat a Lord of Change.
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| Duty Fulfilled | Complete Horde Mode on Emperor's Mercy Difficulty.
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| Emperor's Mercy | Complete all Missions on Emperor's Mercy Difficulty.
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| Exterminatus | Complete all Missions on Exterminatus Difficulty.
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| Find All Secrets - Forges of Corruption | Find all secrets in Forges of Corruption.
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| Find all Secrets - Chapter 1 | Find all Secrets in Chapter 1.
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| Find all Secrets - Chapter 2 | Find all Secrets in Chapter 2.
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| Find all Secrets - Chapter 3 | Find all Secrets in Chapter 3.
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| For the Emperor! | Complete Horde Mode on Exterminatus Difficulty.
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| Let None Survive | Complete Horde Mode on any difficulty.
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| Mercy Extended | Complete Forges of Corruption on Emperor's Mercy Difficulty.
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| My Armour is Contempt | Complete all Missions on My Armour is Contempt Difficulty.
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| Rage Incarnate | Defeat a Helbrute.
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| The Emperor Protects | Complete all Missions on The Emperor Protects Difficulty.
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| The Emperor Still Protects | Complete Forges of Corruption on The Emperor Protects Difficulty.
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| There Is Only War | Complete Forges of Corruption on Exterminatus Difficulty.
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