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