Here is the full list of all 11 Warhammer 40,000: Inquisitor - there are Prophecy achievements.
Complete the STC Specialist Heroic Deed (Summon 1000 Minions) [Tech-Adept only]
Complete the Unyielding Legion Heroic Deed (Complete 5 missions without loosing a Minion) [Tech-Adept only]
Complete the Master Datasmith Heroic Deed (Kill 2500 Enemies by your Kastelan Robots) [Tech-Adept only]
You have closed the Dark Nexus and witnessed the fate of the Alpha Pariah
Complete the Knight of the Cog Heroic Deed (Kill 20 Elite enemies on your level or higher) [Tech-Adept only]
You have judged the renegade Tech-Priest known as the "Savant"
Complete the Cognis Protocol Heroic Deed (Complete a mission dealing damage only by your Minion turrets on your level or higher) [Tech-Adept only]
You have seized the ancient prophecy about the Alpha Pariah
You have survived the first encounter with Fabius Bile
You have discovered the mysterious "Martyr" (Tech-Adept only)
Complete the Unmarred Corpus Heroic Deed (Complete 5 missions without taking any Melee damage) [Tech-Adept only]