Эп. 10: Уголь сходит с ума и атакует академию, пока Руби пытается его успокоить

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Pink and her friends again attended another lesson in the academy until they saw Coal behaving strangely. Coal then goes berserk and starts to destroy the place, but Ruby and her friends tried to calm him down to a couple of places to suit his interests. As Pink's group meet Coal and learned more about Decoranian, Coal unleashed his magic and created black clouds to destroy Pink and her friend's relationship with each other. (Source: Wikipedia)