Full list of all 47 Astronarch achievements.
The base game contains 41 achievements, and there are 3 DLC packs containing 6 achievements.
Have 500 Gold at one time.
Unlock the Bloodmage.
Defeat the Blighted Hag.
Unlock the Fiend.
Defeat a boss with 1 hero remaining.
Unlock the Illusionist.
Equip 3 of the same item to a hero.
Defeat the Hydra.
Defeat the Mercenary Crew.
Defeat a boss with all heroes at full HP.
Defeat the Deep Fiend.
Beat the game in under 30 minutes.
Defeat the King.
Unlock the Druid.
Sell 10 items or potions to the same merchant and then defeat the act.
Have 50 negative effects on an enemy at one time.
Defeat the Beast of the Weald.
Beat the game without losing a battle.
Have 50 positive effects on a hero at one time.
Unlock the Alchemist.
Use 3 potions in one combat.
Defeat the Balrog Spawn.
Unlock the Outlaw.
Unlock the Ranger.
Defeat an act without visiting a merchant.
Defeat an act after visiting at least 7 events.
Defeat the Executioner.
Unlock the Ronin.
Unlock the Bard.
Defeat all 3 elites during a single act.
Have 50 Morale at one time.
Defeat the Timeworn Golem.
Unlock the Brawler.
Emerge victorious in 10 combats during a single act.
Beat the game without any abilities upgraded.
Beat the game without using a potion.
Gain a level on every hero.
Defeat an elite without any items equipped.
Defeat Corruption 10.
Defeat Corruption 20.
Sell an ability orb and 2 potions to the same merchant.
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.