Here is the full list of all 24 Legend of Keepers: Career of a Dungeon Manager achievements.
Steal 10 Artefacts from the Collector.
Reach 260 weeks in Endless Mode.
Reach 156 weeks in Endless Mode.
Complete level 20 of Ascension Mode with any Master.
Complete level 15 of Ascension Mode with any Master.
Apply 20 stacks of "Bleeding" to a single hero.
Kill 3 heroes simultaneously with a trap.
Complete level 10 of Ascension Mode with any Master.
Complete all missions with the Engineer.
Summon 10 monsters in front of the Ninth Door.
Recruit 5 rare monsters with the Headhunter.
Complete level 5 of Ascension Mode with any Master.
Unlock 45 Artefacts at the Archivist.
Complete all missions with the Enchantress.
Kill 3 heroes with a single attack.
Complete all missions with the Slaveholder.
Make 3 heroes flee.
Finish a game without seeing the Therapist.
Unlock 35 Artefacts at the Archivist.
Gather 5 Artefacts during a game.
Upgrade a monster to max level.
Use only the same type of monsters during a dungeon.
Kill a Champion.
Unlock 25 Artefacts at the Archivist.