Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Architect Abortion	Defeat Neftusk.
Battle Servitor	Unlock Kataphron Breacher.
Celestial Cartography Catastrophe	Defeat Ekropis.
Cohortus Maximus	Reach a six Tech-Priest cohort.
Competent Cohort	Reach a four Tech-Priest cohort.
Ding Dong Szaregon's Gone	Defeat Szaregon.
Fleshy Disposal	Defeat Ubjao.
Galvanic Rifle	Unlock Skitarii Ranger.
Half a cog	Reach 50% in the awakening gauge.
Impatient destruction	Defeat Szaregon before the final countdown.
Knowledge is power	Have a Tech-Priest unlock a full Discipline tree.
Legio Cybernetica	Unlock Kastelan Robot.
Mother of Xenarites	Side with Scaevola.
No aid from the Omnissiah	Complete a mission without using any Canticles.
One with the Machine	Have a Tech-Priest unlock two full Discipline trees.
Power Ranger	Unlock Skitarii Ranger Alpha.
Radium Ready	Unlock Skitarii Vanguard.
Sterile Perfection	Side with Videx.
Taser Goad	Unlock Skitarii Vanguard Alpha.
This is only the beginning	Survive the first mission.
Vivisected Vizier	Defeat Mhelob.
Watch them crumble	Defeat Agrolekh.