The bonuses this ring provides stack with other experience boosters such as the golden mining suit. It also stacks with the 10% experience boost from killing possessed pickaxes in the Lava Flow Mine. This ring does not stack with the penance master horn, sacred clay pickaxe, or a clan avatar. Although the ring provides a bonus when mining Shooting Stars, it does not provide a bonus for the tag. The bonus this ring provides does apply while mining pure essence.