Protection Ring of Fire is an S-grade treasure released in 30 June 2015. The treasure has two powers, one which will guarantee the first obstacle hit by the cookie will be eliminated (similar effects with the invincibility of Muay Thai Cookie and Werewolf Cookie). The treasure also grants 4-6% slower energy drain.
Four treasures released in 30 June 2015 are all have some sort of theme. They are representing four basic elements (earth, wind, fire, and water), in a piece of jewelry (bracelet, ring, earring, and pendant), and doesn't have a unique name on their evolved version (only by adding "Sacred" in front of each evolve treasure's name).