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