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 without using a potion.
Gain a level on every hero.
Defeat a boss with 1 hero remaining.
Unlock the Fiend.
Unlock the Ranger.
Have 50 negative effects on an enemy at one time.
Have 500 Gold at one time.
Beat the game without losing a battle.
Defeat the Hydra.
Defeat the Mercenary Crew.
Unlock the Druid.
Sell 10 items or potions to the same merchant and then defeat the act.
Defeat an act without visiting a merchant.
Unlock the Bloodmage.
Sell an ability orb and 2 potions to the same merchant.
Unlock the Illusionist.
Equip 3 of the same item to a hero.
Defeat the Timeworn Golem.
Unlock the Outlaw.
Defeat the King.
Defeat the Executioner.
Have 50 positive effects on a hero at one time.
Have 50 Morale at one time.
Defeat the Deep Fiend.
Defeat a boss with all heroes at full HP.
Defeat the Balrog Spawn.
Defeat the Blighted Hag.
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.
Beat the game without any abilities upgraded.
Beat the game in under 30 minutes.
Defeat an elite without any items equipped.
Defeat Corruption 20.
Defeat an act after visiting at least 7 events.
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.