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