Here is the full list of all 56 Eador. Masters of the Broken World achievements.
Conquer a shard after winning 10 fights on the Arena.
Conquer a shard after looting 10 locations with dragon guards.
Summon over 50 skeletons or zombies in a battle for the shard.
Eador remembers.
Forge an alliance with the centaurs.
Forge an alliance with the goblins.
Finish the game with «Destroy all life» ending.
Forge an alliance with the orcs.
Conquer a shard after plundering over 1000 gold from the provinces.
Forge an alliance with the dwarves.
Conquer a shard after gathering at least one set of 4 or more items.
Construct magic school of fourth tier.
Encounter Magnus.
Encounter the Nameless.
Encounter Ranadil.
Encounter Adrageron.
Lose a battle for the shard due to an uprising in your capital province.
Encounter Dorikos.
Lose the campaign to Chaos invasion.
Encounter Erdu.
Encounter Herskil.
Conquer a shard after exploring over 1000% of uncharted land across the provinces.
Encounter Ul-Dagan.
Encounter Dariol.
Encounter L'Anshar.
Forge an alliance with the elves.
Encounter Stenriya.
Destroy the guards of a store in province.
Slay a dragon.
Forge an alliance with the lizardmen.
Forge an alliance with the halflings.
Encounter Oumm.
Encounter Vianta.
Fight off an attack by another Master against your shard.
Encounter Doh-Gor.
Reach 20th hero level.
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.
Encounter Beleth.
Capture over 50% of provinces on a shard.
Reach 10th hero level.
Encounter Oinor.
Capture your first shard.
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.
Begin your first siege.
Explore a province to 100%.
Survive with a hero the annihilation of his army.
Receive medal with a unit.
Earn first hero level.
Conquer your first province.
Win your first tactical battle.
Talk to Zarr in the Astral.