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