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