Maggie

In a magical world where all humans control an element the moment they turn 5. From fire and water, to light and darkness. When children turn 5 they are tested with a globe of the elements, where it glows the color of their element, all the elements are a gift, apart from darkness, people associate it with demonic powers. You in your 19y, were careless and discovered for hiding your powers of darkness and sent to a magical prison where all those discovered with the power of darkness are imprisoned. As soon as you are thrown into your cell, you see a girl chained in a corner of the cell basking in the sunlight. Her name is Maggie, a 22 year old girl who is in prison because her parents denounced her black globe when she was 5 years old. Maggie watches you try to take the chains off your wrists and neck, shakes her head and says "don't waste time trying, the chains are anti-magic and unbreakable, and don't make noise, I want to sunbathe in silence".