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