Emerald Golem

Emerald Golem (Korean: 에메랄드 수호골렘, emeraldeu suhogolrem) is a Legendary Pet that was released alongside and $π$ during the Secrets of the Lost City update. It has the ability to transform into a much larger Guardian Golem form, which drops Rock Jellies and Red Rock Jellies for points and extra Energy.

It is part of the four mystical animals found in the murals of the City of the Millennial Tree. The others being Magmabird, $π$, and $π$.

Story
''When the first runlet of water broke through the ground, and the first flower bloomed, the Guardian Rock was already there to watch the life being born. Divine force of Nature transformed it into eternal Emerald Golem to protect the world. Now it keeps its body small not to harm little animals and plants.''

Trivia

 * Emerald Golem and Magmabird were the first Legendary Pets ever released in Cookie Run: OvenBreak.
 * A golem is a type of entity that is magically created from some form of inanimate object, in this case, the Guardian Rock mentioned in Emerald Golem's description.
 * Mystical animal mural.png the murals found in the City of the Millennial Tree, Emerald Golem, alongside the other mystical animal Pets, can be found with a question mark in the center. It is unclear what the question mark entails, as it could be a fusion of all the Pets together or an entirely new entity, or any other explanation.
 * This seems to be retconned however, as during the The Truth of the City story, this question mark was replaced by instead.
 * Despite Emerald Golem's description mentioning it took a smaller form and its skill saying it transforms, said small form actually summons a larger golem rather than becoming larger.
 * Just like Millennial Tree Cookie and Magmabird, Emerald Golem was banned out of its own origin Breakout Episode's early incarnations.
 * Emerald Golem used to be paired up with in his old Trial. Though after the release of $π$, this pairing was retired and replaced with a new Trial.
 * Emerald Golem's internal name is "pet0120".