What super hero gets his powers from a ring?

Green Lantern is the superhero who gains his powers from a ring, specifically the Green Lantern Power Ring. This ring allows him to create constructs, fly, and harness willpower to overcome challenges. Members of the Green Lantern Corps, an intergalactic police force, wield these rings to protect the universe. Each ring is fueled by the wearer's willpower and is capable of extraordinary feats.