Successfully complete the listed task to unlock the corresponding achievement.

Achievement	How to unlock
A Big Guy, For You	Defeat the Harbinger with a Brute.
Archmage	Defeat the Harbinger with a Wizard.
Barbarian King	Defeat the Harbinger with a Barbarian.
Boss Slain	Defeat a Boss.
Capitalism Ho!	Defeat the Harbinger with a Merchant.
Champion Knight	Defeat the Harbinger with a Knight.
Giant Lizard	Defeat the Harbinger with a Dragon.
Kung Fu Master	Defeat the Harbinger with a Monk.
Legendary Slayer	Complete a game in Legendary Mode.
Level 15	Reach level 15 with a hero.
Lord of the Jungle	Defeat the Harbinger with a Beastmaster.
Master Archer	Defeat the Harbinger with a Ranger.
Master Healer	Defeat the Harbinger with a Cleric.
Master Thief	Defeat the Harbinger with a Rogue.
Monster Slayer	Defeat the Harbinger with all 6 starting classes.
Silent Assassin	Defeat the Harbinger with an Assassin.
The Big Six	Complete Legendary mode with 6 different classes.
The Dirty Dozen	Complete Legendary mode with 12 different classes.
The King of Bones	Defeat the Harbinger with a Necromancer.
The Pharmacist	Defeat the Harbinger with an Apothecary.
Tough as Nails	Have a hero with at least 200 HP.
Tutelage	Complete the Tutorial.