Coralie Harmony

"Coralie Harmony had been the leader of the Celestial Vanguards of the Mighty Crystal since she left her post as a paladin of Cerise City. She's also the founder of the Cerise City Crystal School too, and you know that she, for one, can protect the Cerise Heart, the Crystal Heart that's similar to the original one from the Crystal Empire. Didn't you know about that?"

--Su Ji-Hoon, Coralie Harmony (chapter)

Coralie Harmony is the celestial leader of the Celestial Vanguard of the Mighty Crystal that she was the former Paladin of Cerise City and the founder of the Crystal School of Cerise City.

She was former Gerasecian crystal pony paladin which followed about protect Cerise Heart that she travel to Crystal Empire for each studies about Magic Crystal and haven magics, then she can't betrayal her country due to her dream.

After the studies about Magic Crystal and haven magics in during the USRAC War, she return Gerasecia that she founded the Crystal School of Cerise City,which she and faculty members will teach her students about Magic of Friendship and Magic Crystal.

After The Journey Home song affected in Harmonia, she has became a Seraph pony leader by celestial magic that she have haven magics and weapons,which made her and her protectors allow to founded the Celestial Vanguard of the Mighty Crystal