Merciless Trait You Are Here Sims Challenge Tracker References Traits Reward Traits Merciless About Trait Summary Pack Lost Legacies Trait Category Reward Traits Reward For Master of Grudges Aspiration Sims with this Trait You are not signed in. Log In or Sign Up to see or save your Sims. Newly Updated! The site has now been updated with the latest packs as of 2/12/2026, so go to My Packs to update your list!