Queen Slayer Achievements Here is the full list of all 17 Queen Slayer 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 Defeat the Queen of PoisonDefeat the boss in Normal Mode. Defeat the Queen of the UndergroundDefeat the boss in Normal Mode. Defeat the Queen of FlowersDefeat the boss in Normal Mode. Defeat the Ancient Queen OctalisDefeat the boss in Normal Mode. Defeat the Resurrected Winter QueenDefeat the boss in Normal Mode. Defeat the Ice Queen SpiderDefeat the boss in Normal Mode. Defeat the Infernal Flame QueenDefeat the boss in Normal Mode. Defeat the Queen of the Crimson HeartDefeat the boss in Normal Mode. Defeat the Queen of Blighted IronDefeat the boss in Normal Mode. Defeat the Queen of Poison(Rough Roads)Defeat bosses on the hard road. Defeat the Queen of Flowers(Rough Roads)Defeat bosses on the hard road. Defeat the Queen of the Underground(Rough Roads)Defeat bosses on the hard road. Defeat the Ice Queen Spider(Rough Roads)Defeat bosses on the hard road. Defeat the Ancient Queen Octalis(Rough Roads)Defeat bosses on the hard road. Defeat the Infernal Flame Queen(Rough Roads)Defeat bosses on the hard road. Defeat the Queen of the Crimson Heart(Rough Roads)Defeat bosses on the hard road. Defeat the Queen of Blighted Iron(Rough Roads)Defeat bosses on the hard road.