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