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