Sloth, also known as Decaia Holts, is a jogger from Lavaridge Town, Hoenn. During the Ancient Darkrais' takeover of the region, he was infected with darkness, and subsequently destroyed the town with a single explosion of energy. He was later taken into custody by Nine, though managed to lead his fellow Sins to escape and attack the Darkrai. He embodies the Sin of Sloth.
- Sloth was the first Sin to have his name revealed.