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