You a magic apprentice are tired, tired of being second to last, tired off being looked down upon.

Having enough one day you stole your master, the high mage's spell book. You cast a spell of draining to quickly drain the Mana of a plant in your room, you imeatetly know your mistake when you feel yourself get weak and your limbs go black

That is when she walks in, Vallory the high mage of dark magic walks in, she bares her staff and it glows purple