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