|Monsters have a greater chance of dropping loot.|
The Burglar's Ring is a ring that can be obtained as a reward from Gil at the Adventurer's Guild after completing the Monster Eradication Goal of killing 500 Dust Sprites. After that, it can be purchased from Marlon for 20,000g.
With the Burglar's Ring equipped, Monsters have 2× the chance of dropping a loot item (including dropping the same item twice). The effect doesn't stack if you have two Burglar's Rings equipped.