Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Absolute Power	Raise a Power to level 6.
Abyssal Pest Control	Destroy 66 Abyss Striders across any number of games.
Actually, Do Shoot The Messenger	Execute an Emissary.
All According To Plan	Complete 13 Schemes across any number of games.
Baron Of Industry	Hold the Mines of Gehenna at the end of a game.
Blade Of The Usurper	Win a game via Usurper Victory.
Clash Of The Titans	Fight an enemy Titan with your own Titan.
Collector of Forbidden Knowledge	Purchase the final fragment necessary to complete a multi-part Manuscript.
Communication Breakdown	Have your Emissary executed.
Conclave Player	Vote for 13 Conclave Edicts across any number of games.
Dark Liberator	Removed a Usurper and returned control to the Conclave.
Dark Priest	Invoke 6 Treatise Manuscripts across any number of games.
Devious Ambitions	Complete a Grand Scheme.
Diabolical Dabbler	Perform 13 Rituals across any number of games.
Excruciation	Lose a Place of Power to The Abyss Leviathan.
First Among Gluttons	Hold the Palace of Gluttony at the end of a game.
Hail, Dominus!	Win a Praetor Duel.
Hatching Vain Empires	Finish a game of multiplayer Solium Infernum.
Hell Is Other People	Lose at least one Legion due to an Event that someone else played.
Infernal Affairs	Complete a Simple Scheme.
It's Good To Be The Lord	Become a Blood Lord.
Loyalty is Temporary	Convert an opposing Legion.
Mayor Of Dis	Hold the City of Dis at the end of a game.
Money Talks	Use the Burnt Offerings ritual to become Conclave Favourite.
Number of the Beast	Raise 3 Powers to level 6 in a single game.
Pit Boss	Change a Praetor's Combat Move by invoking a Manual Manuscript.
Puppet Master	Win a game via Manipulation Victory.
Red Right Hand	Destroy 6 Legions using Rituals across any number of games.
Running Interference	Remove an Artifact from an opponent's Ritual Table using Demonic Interference.
Satiated	Use The Devourer to remove an opponent's Stronghold.
Smitten	Lose a Legion to The Angelic Host.
Spite Repaid	Win a Vendetta.
Supreme Refuter	Destroy the Angelic Host.
Take That Back!	Have your Excommunication rescinded.
Temporary Truce	Initiate an Armistice.
The Fight's Always Been Rigged	Spend 66 Tribute in bribes to the Duel Arbiter across any number of games.
There Will Be Blood	Instigate a Blood Feud.
To Reign Is Worth Ambition	Win a game of multiplayer Solium Infernum.
Torture Machinist	Invoke 6 Schematic Manuscripts across any number of games.
Trickle Up Economics	Make Demands of lower-ranking opponents 13 times across any number of games.
Unstoppable	Win a battle using a Legion that you have cast Infernal Juggernaut on.
Vanquisher	Destroy a rival'ns Stronghold.
Veterans Of Hell	Promote 13 Legions.
Warden Of Hel	Destroy the Abyss Leviathan.
Welcome To Hell	Have victory snatched from you by a Kingmaker or Power Behind the Throne.
Worse Than The Children's Crusade	Lose a Legion as part of the Infernal Crusade.
Your Dark Majesty	Win a game via Election Victory.
Your Dark Power Grows	Unlock an additional Order Slot by raising a Power to level 4.