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