Lucifer Within Us Achievements Here is the full list of all 12 Lucifer Within Us achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Two Brothers InvestigatorFind all physical evidence in the Two Brothers Case. Two Brothers InterrogatorFind all contradictions and psychological evidence in the Two Brothers Case. Two Brothers InterviewerAsk each suspect about every evidence and testimony statement found in the Two Brothers Case. Graveyard InvestigatorFind all physical evidence in the Graveyard Case. Graveyard InterrogatorFind all contradictions and psychological evidence in the Graveyard Case. Graveyard InterviewerAsk each suspect about every evidence and testimony statement found in the Graveyard Case. Chapel InvestigatorFind all physical evidence in the Chapel Case. Chapel InterrogatorFind all psychological evidence in the Chapel Case. Chapel InterviewerAsk each suspect about every evidence and testimony statement found in the Chapel Case. Eye of Ain SophObtain all testimonies and evidence in the game. Age of TruthWitness the return of the daemons. Devil's HerbPurge the Abbey of this infernal herb.