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