Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Foul Creche	Unearth the truth at Usa'rya.
A Gift Spurned	Defeat Aeger the Benevolent.
An Ill Omen	Complete your investigations on Koramar.
Arsenal of Destruction	Unknown.
Blood and Iron	Unknown.
Blood for the Blood God!	Kill an enemy with the Bleed Affliction.
Bloodless	Win a mission without taking damage.
Brothers in Arms	Win a mission whith only two knights.
Clean Slate	Achieve victory before any Bloom Flowerings occur.
Corruption Cleanser	Destroy fifty Bloomspawn.
Crisis Management	Achieve victory by Day 500.
Daemonkeeper	Capture Kadex.
Death Comes For All	Defeat Munificus the Undying.
Dominus	Unknown.
Drone Army	Unknown.
Efficient Killer	Win a mission without using Ammo.
Engine Kill	Defeat Cruciatus the Generous.
Executioner	Execute an enemy.
Exercise in Restraint	Win a Spreading or Flowering mission without using Willpower.
Exterminator	Execute fifty enemies.
Field Apothecarion	Win a mission using only Apothecaries.
Firing Squad	Win a mission using only Purgators.
Fleetmaster	Unknown.
For the Machine God	Unknown.
Friendly Fire	Get an enemy to kill one of its allies.
Grand Master	Achieve victory in Grand Master mode.
Gunmaster	Acquire a Master Craft Level 3 Ranged weapon.
Hands-On Research	Kill ten enemies with Inquisitor Vakir.
Harvest No More	Defeat Malathian the Harvester.
Hold Your Ground	Defeat Kadex at Usa'rya.
Honoured Battle-Brother	Promote a knight to Rank 9.
Junk Banishment	Defeat Morgellus, the Corroded Prince.
Just a Scratch	Win a mission using only knights with Light Wounds or worse.
Legend of Titan	Achieve victory on Legendary difficulty.
Long Distance Call	Contact Kaldor Draigo at Sacrista.
Look Over There!	Disrupt an enemy's Overwatch or Suppressive Fire.
Mass Extinction	Use Exterminatus five times in a Campaign.
Master of the Forge	Unknown.
Mind Like a Fortress	Acquire twenty Grimoires.
Nemesis Master	Acquire a Master Craft Level 3 Melee weapon.
Not So Fast...	Kill an enemy with an Auto.
Not a Mote of Corruption	Unknown.
Only in Death	Unknown.
Opportunist	Kill twenty enemies with environment objects.
Patron of Deimos	Complete all Ship System upgrades.
Phalanx	Win a mission using only Justicars.
Preservationist	Unknown.
Purging Spree	Kill five enemies with the same knight in a single turn.
Standard-Issue Killer	Win the final mission without any Master Crafted equipment.
Strategic Command	Unknown.
Strike Force	Fill the Barracks with twenty knights.
Surgical Excision	Collect a Seed using the Extractor Servo-Skull.
Tactical Flexibility	Unlock all Stratagems.
The Emperor Protects	Acquire a Master Craft Level 3 suit of Armour.
The Flesh is Weak	Acquire five Augmetics on a single knight.
True Mastery	Have a knight learn all available class skills.
Unstable Immaterium	Trigger 10 Warp Surge events in a single mission.
Warp Flickers	Win a mission using only Interceptors.
Watch Where You Step...	Kill an enemy by knocking it back.