In case you had any doubt in your mind, witches are indeed real and they can cast powerful spells as Chelsea Wolfe proved on Tuesday evening. As the 34-year-old Californian takes to the Tivoli’s stage, she seems awkward, or even a little clumsy at first. As she walks to the front of the stage, with the lights still up, she gives a small wave and smile to the audience. She seems more shy than one might have imagined. Then, the lights go down and that shyness is devoured by the waves of noise that follow. As the pulsing terror that…