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