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