The vines incinerated as soon as they touched the staff. Harry's pendant started to glow, dully at first and then brighter by the moment. "I don't think so," Harry snorted, as much to Eric as to the Ghede. "Gongelo," he hissed and his staff flared before the runes turned black, the color seeming to suck all the heat and light from the alley. Ice started to form on the vines and the blood in the pots crystalized.