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