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