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