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