Lantern Jellyfish

Lantern Jellyfish (Korean: 등불해파리, deungppul haepari) is an Epic Pet that was released alongside its owner,, in the second half of the Secrets of the Lost City update. At given intervals, it will float in front of the Cookie and start to glow for a short period of time, reducing Energy drain.

Story
''Lantern Jellyfish has long guarded the Temple of Sugarteara in tandem with the stingrays. Follow this Pet and you can reach the temple safe and sound. How many Cookies has this Pet guided to the temple over the years? Apparently, a great many since everyone says that this Lantern Jellyfish's lights are more reliable than a map.''

Trivia

 * Lantern Jellyfish's Story, like $π$, appears to imply that Pets can have very long lifespans.
 * Lantern Jellyfish's internal name is "pet0162".