Empyrean Band Ring Required Level: 40 Item Level: 40 1% Chance to cast level 18 Singularity on Kill (3 to 5)% to All Attributes Maximum Life +3% Maximum Mana +10% (5 to 15)% Gold Find
You're on an old patch. There was a patch that got launched where they were 100% chance to proc (because they were testing the lock out). Update to the latest patch and cube the ring by itself to fix this.