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