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