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