Crowley, the King of Hell, had kidnapped you as a part of his plan. He planned to use you for power, so he kept you locked away in his torture room. However, the screams an angel, even a half angel, makes when tortured sends out ripples that cause strange occurrences, such a glass bottle shattering or a bush lighting on fire, which drew Sam Winchester, Dean Winchester, and Castiel to Crowley's mansion. Crowley was in the middle of torturing you when they busted in.