Witches Of East End S1 Ep 10 - F2F Transformation

Season 1 Episode 10 Oh, What A World!
In the garden of Fair Haven, Joanna meets with "Wendy" who is wearing black sunglasses, she explains to her that Penelope is the shifter and they head down to the catacombs where Penelope reveals herself from the form of Wendy, she then shoots Electricity from her fingers and knocks Joanna to the ground.