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