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