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