Here is the full list of all 56 Eador. Masters of the Broken World achievements.
Finish the game with «Destroy all life» ending.
Encounter Magnus.
Encounter the Nameless.
Eador remembers.
Construct magic school of fourth tier.
Encounter Ranadil.
Encounter Adrageron.
Forge an alliance with the orcs.
Forge an alliance with the goblins.
Encounter Dorikos.
Conquer a shard after looting 10 locations with dragon guards.
Encounter Erdu.
Conquer a shard after winning 10 fights on the Arena.
Conquer a shard after gathering at least one set of 4 or more items.
Summon over 50 skeletons or zombies in a battle for the shard.
Encounter Herskil.
Encounter Ul-Dagan.
Encounter Dariol.
Construct all possible buildings in the stronghold.
Lose the campaign to Chaos invasion.
Encounter L'Anshar.
Encounter Stenriya.
Encounter Oumm.
Forge an alliance with the elves.
Encounter Vianta.
Fight off an attack by another Master against your shard.
Forge an alliance with the dwarves.
Forge an alliance with the centaurs.
Encounter Doh-Gor.
Forge an alliance with the halflings.
Encounter Beleth.
Conquer a shard without losing any units serving in the heroes' armies.
Capture a shard in less than 45 turns.
Encounter Oinor.
Conquer a shard after plundering over 1000 gold from the provinces.
Conquer a shard after exploring over 1000% of uncharted land across the provinces.
Capture your first shard.
Conquer a shard without losing any battles involving the heroes.
Slay a dragon.
Reach 20th hero level.
Destroy the guards of a store in province.
Conquer a shard after unveiling the entire map.
Conquer a shard after constructing all available buildings in the stronghold.
Lose a battle for the shard due to an uprising in your capital province.
Explore a province to 100%.
Forge an alliance with the lizardmen.
Capture over 50% of provinces on a shard.
Reach 10th hero level.
Receive medal with a unit.
Survive with a hero the annihilation of his army.
Talk to Zarr in the Astral.
Begin your first siege.
Resurrect a slain hero.
Conquer your first province.
Earn first hero level.
Win your first tactical battle.