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