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