Here is the full list of all 82 Heroes of a Broken Land achievements.
Recover the heart of a Enormous world
Master of clearing Crypts
Master of traversing Towers
Master at clearing Dungeons
Recover the heart of a Huge world
Master at clearing Caves
Ashes to ashes, dust to dust
Master of clearing Labyrinths
Lots of Crypts cleared
Recover the heart of a Large world
Ally with a Lizard town
Defeat Mr. Wiggles
Train a dedicated monk
Recover the heart of a Normal world
Master of Mining
Lots of Towers traversed
Train an master of death and poison
Hunt down hordes of wandering monsters
Train a master of the elements
Ally with a Fae town
Recover the heart of a Tiny world
Clear a dungeon solo
Lots of Labyrinths cleared
Train the finest warrior
Many Labyrinths cleared
Many Crypts cleared
Recover the heart of a Small world
Purify the Crystal Heart
Revealed and cleared the Forge
Hunt down lots of wandering monsters
Lots of Caves cleared
Lots of Dungeons cleared
Many Towers traversed
Destroy the Lord of Fire
Destroy the Lord of Air
Destroy the Queen Slime
They're more afraid of you than you are of them.
Lots of Mines cleared
Destroy the Lord of Ice
Destroy the Lord of Earth
Ally with an Outpost town
They're endangered now, good job.
So many Bats bashed. Poor Bats...
Bones to Dust
Custom order heros
Ally with an Artificer town
Who you gonna call? You!
Conquer the Pillar of Air
Many Mines cleared
Mastered the elimination of Elementals
Conquer the Pillar of Fire
Snakes, why does it always have to be snakes!
Hunt down wandering monsters
Conquer the Pillar of Water
Slimes fear your squishing powers now
Many Dungeons cleared
Train a master of magic
Train a holy bishop
Train a protector of the weak
Train a jack-of-all-trades adventurer
Zombies are actually quite friendly, have you tried talking first?
You're some kind of Ghost Smasher!
Smash, Smash, Smash!
Earned expertise eliminating Elementals
Aren't bears endangered?
You've mastered the art of killing vermin
Caves cleared
Many Slimes have been squashed
Bats have been bashed expertly
Conquer the Pillar of Earth
Elementary Elemental elimination
Cleared a multy-party dungeon
Slimes have been squashed
Smash them bones
Slay those snakes!
You're an expert at killing vermin
Bats have been bashed
Bludeon those bears
Ghost Buster!
Seriously, who's making all these zombies?
Heroes 1, Zombies 0
You've destroyed many rats