Here is the full list of all 80 Runestone Keeper achievements.
How dare you...traitor!
Complete with Guy
Complete with Svafa
Reach floor 20 without believing in any Gods
Kill 200 monsters in one go
Hero reach level 12
Get through a dungeon without killing anything
Try heads next time.
Believe in the God of Treasure
Believe in the God of Devastation
Ahhhhhhhhhhhhhhhhhhh
Betray two Gods in a row
Believe in the God of Evil
Believe in the Goddess of Benevolence
Simultaneously sustain erosion, curse, toxin and weakness effect
Believe in the God of Vengeance
Complete with Hogg
Betray a God
Believe in the Holy Contractor
Be really vital
Kill all the wizards in a Wizard dungeon
Killed by a bomb
Kill a Screen Block monster
All attributes tuned to 5
Clear all arenas throughout the entire game in Normal mode
Killed by a poison trap
Interchange life percentage with a monster
Believe in the Guardian of Rock
Collect 1000 coin in one game journey
Kill 15 elite monsters in one go
Hero reach level 10
Kill an Overlord monster
Killed by an Overlord monster
Die in an arena
Believe in the Goddess of Magic
Killed by a spike trap
It is your day.
Reach one full upgrade
Unlock Hogg
Soul point reach 80
Unlock Svafa
Forge a runestone
Kill a ranged elite monster
Killed by a monster explosion
Use an altar
Believe in a God
Believe in the God of War
Collect your first piece of runestone
Obtain a piece of rare equipment
Find and clear an arena
Who's this little fella?
And much more to be spilled!
Die on 1st floor
Having 9 tattoos!
Kill an elite monster while stacked with 40 erosive effect
Be really vigorous
Reach all full upgrades
Kill an elite monster while stacked with 15 weakness effect
Reach floor 21 in Abyss mode
Kill an elite monster while stacked with 20 cursed effect
Reach floor 30 in Endless mode
Die from the Lich quest
Single strike cause more than 100 damage
Complete with Merlin on any difficulty
Complete with Alexander on any difficulty
Complete with Azir on any difficulty
Activate "Lucky" Runeword and complete on any difficulty
Activate "Conqueror" Runeword and complete on any difficulty
Activate "Tyrant" Runeword and complete on any difficulty
Activate "Pagan" Runeword and complete on any difficulty
Activate "Spell Breaker" Runeword and complete on any difficulty
Activate "Fresh Blood" Runeword and complete on any difficulty
Light the torch in the tutorial
Win against Ancient Memories
Win against Nightmare Fiend
Complete with Balerio on any difficulty
Complete with Lilith on any difficulty
Complete with Morte on any difficulty
Complete with Dellamorey on any difficulty