Here is the full list of all 54 Fallen Enchantress: Legendary Heroes achievements.
Awarded for completion of the Legendary Hero scenario.
You've managed to slay Morian!
Recruit Kasst
You've managed to slay Torax!
Win as Resoln.
You've managed to slay Vetrar!
Win by forging an alliance with all players.
Win as Yithril.
Win as Magnar.
Win as Kraxis.
Play for 100 hours.
Recruit Gallowman
Recruit Nen Ratcatcher
Win as Gilden.
You've managed to slay Delin!
Recruit Ascian
Win as Umber.
Win as Capitar.
Recruit Raza the Wild
Win as Tarth.
You've managed to slay Abeix!
Win by having the highest score by the turn limit.
Reach level 15 with a champion.
Win by completing the Master Quest.
Win by defeating all of your opponents.
Win and have at least 3,000 population.
Win as Altar.
Play for 40 hours.
Not since Peter MacNicol has one been slain!
Make 1000 gildar from selling items in shops.
Complete 10 quests in a single game.
Win by casting the Spell of Making.
Win as Pariden.
Get a city to level 5 in one game.
Play for 20 hours.
Design a unit.
Create a custom sovereign.
Recruit Mausolos
Defeat a faction.
You defeated a sovereign in battle!
Recruit Tuatha
Tap 10 resources in a single game.
Control 5 cities in a single game.
You have captured an enemy city!
Buy an item from a shop.
Play for 10 hours.
Explore 10 goodie huts in a single game.
Reach level 5 with a champion.
Your Fame has lead a hero to your cause.
Complete a quest.
Play for 5 hours.
You have defeated an army!
You killed a monster!
All nations start with one.