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