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