Here is the full list of all 82 Heroes of a Broken Land achievements.
Conquer the Pillar of Water
Smash, Smash, Smash!
Aren't bears endangered?
Conquer the Pillar of Earth
Bats have been bashed expertly
You're some kind of Ghost Smasher!
Slimes have been squashed
You've mastered the art of killing vermin
Zombies are actually quite friendly, have you tried talking first?
Slay those snakes!
Elementary Elemental elimination
Many Mines cleared
Seriously, who's making all these zombies?
Smash them bones
Ghost Buster!
Heroes 1, Zombies 0
You're an expert at killing vermin
Bludeon those bears
Bats have been bashed
You've destroyed many rats
Many Slimes have been squashed
Slimes fear your squishing powers now
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 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
Caves cleared
Lots of Caves cleared
Master at clearing Caves
Many Dungeons cleared
Lots of Dungeons cleared
Master at clearing Dungeons
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 Fire
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 an Outpost town
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
They're endangered now, good job.
Snakes, why does it always have to be snakes!
They're more afraid of you than you are of them.
Clear a dungeon solo