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