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