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