Full list of all 47 Astronarch achievements.
The base game contains 41 achievements, and there are 3 DLC packs containing 6 achievements.
Defeat the King.
Beat the game without using a potion.
Unlock the Illusionist.
Equip 3 of the same item to a hero.
Have 50 Morale at one time.
Unlock the Bloodmage.
Sell an ability orb and 2 potions to the same merchant.
Unlock the Druid.
Beat the game without losing a battle.
Have 50 negative effects on an enemy at one time.
Have 500 Gold at one time.
Defeat the Executioner.
Defeat the Hydra.
Unlock the Alchemist.
Defeat the Balrog Spawn.
Defeat the Blighted Hag.
Unlock the Outlaw.
Unlock the Ranger.
Defeat an act without visiting a merchant.
Defeat an act after visiting at least 7 events.
Defeat the Mercenary Crew.
Unlock the Ronin.
Defeat the Timeworn Golem.
Defeat a boss with all heroes at full HP.
Defeat the Beast of the Weald.
Unlock the Brawler.
Emerge victorious in 10 combats during a single act.
Unlock the Bard.
Defeat all 3 elites during a single act.
Unlock the Fiend.
Defeat a boss with 1 hero remaining.
Have 50 positive effects on a hero at one time.
Defeat the Deep Fiend.
Beat the game without any abilities upgraded.
Beat the game in under 30 minutes.
Gain a level on every hero.
Defeat an elite without any items equipped.
Defeat Corruption 10.
Defeat Corruption 20.
Use 3 potions in one combat.
Sell 10 items or potions to the same merchant and then defeat the act.
Unlock the Fallen.
Defeat the Omen of Burden with the special item fully upgraded.
Defeat the Omen of Frailty without any items breaking.
Defeat the Omen of Doom without triggering its effect once.
Defeat the Omen of Loss without taking the special blessing.