Eat it to earn a 75% Movement Speed bonus for 600s.
Though it does not grant any stamina or Hp, this rare item will give you the Sprint lvl 3 buff for 10 whole minutes. This makes it by far one of the best speed items in the game, especially for boss fights.
It can be found in the
Quetzalcoatl's temple. More specifically, in the room with the haystacks and sleeping bag, where it is garaunteed to spawn.