Kill a Champion.

Gather 5 Artefacts during a game.

Make 3 heroes flee.

Apply 20 stacks of "Bleeding" to a single hero.

Kill 3 heroes simultaneously with a trap.

Upgrade a monster to max level.

Kill 3 heroes with a single attack.

Finish a game without seeing the Therapist.

Use only the same type of monsters during a dungeon.

Complete all missions with the Enchantress.

Complete all missions with the Slaveholder.

Complete all missions with the Engineer.

Unlock 25 Artefacts at the Archivist.

Unlock 35 Artefacts at the Archivist.

Unlock 45 Artefacts at the Archivist.