Cloud Tower is one of the three main schools from Magix. This school is under the direction of Ms.Griffin, who is the headmistress.
It is the school where witches learn how to control dark magic, study sorcery and curses. Cloud Tower is where the girls of the Magical Dimension come to become experts in the use of the dark arts.
The students live within the school itself which has an enormous amphitheater, classrooms and a Magical Archive with details of every witch and fairy from the Magical Dimension.
Cloud Tower embodies evil. It uses it's vast reserves of energy to overcome it and use it for itself, exploiting it's devastating strength.