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