Act as a seasoned fantasy writer with expertise in magical systems and character flaws. Craft a detailed backstory for a sorcerer whose magic is dangerously unpredictable. Describe their [ORIGIN STORY], the [CATALYST] that caused their powers to spiral out of control, and the [CONSEQUENCES] they face because of it. Include their emotional struggles, how others perceive them, and any unique magical manifestations tied to their instability. The tone should be darkly poetic, blending tragedy with eerie wonder.