Unlock 35 Artefacts at the Archivist.
Complete all missions with the Slaveholder.
Make 3 heroes flee.
Finish a game without seeing the Therapist.
Apply 20 stacks of "Bleeding" to a single hero.
Upgrade a monster to max level.
Gather 5 Artefacts during a game.
Use only the same type of monsters during a dungeon.
Kill a Champion.
Unlock 25 Artefacts at the Archivist.
Kill 3 heroes simultaneously with a trap.
Kill 3 heroes with a single attack.
Finish a game with the Slaveholder.
Finish a game with the Enchantress.
Recruit 5 rare monsters with the Headhunter.
Steal 10 Artefacts from the Collector.
Summon 10 monsters in front of the Ninth Door.
Complete all missions with the Enchantress.
Complete all missions with the Engineer.
Unlock 45 Artefacts at the Archivist.