Here is the full list of all 15 KEL Reaper of Entropy achievements.
You intimidate people like a scary roller coaster.
Tracks positive village sentiment towards Kel.
You are determined to please people.
Tracks positive village sentiment towards the Hermit.
Counts all-time maxed titles / achievements.
Tracks number of villagers converted to skeletons.
Tracks negative village sentiment towards Kel.
Tracks negative village sentiment towards the Hermit.
Tracks coins gained.
Talking and gossiping rank.
Tracks the number of times you activate the illusion charm.
You enjoy spreading bad rumors and producing false proof.
You've specialized in handing out poisoned or bad food.
Tracks the number of times Kel dies.
Tracks curse damage progression.