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