"Oh, the feedback? We are at the confluence of three ley lines. It does odd things to magic. Some spells are three times as powerful, and some spells fizzle -pfftt." He flicked his fingers, "It makes sex magic very potent." He winked, and his mustache bounced when he smiled. He grabbed a rubber duck from a basket of odds and ends and pointed his wand at it. He said something in his native language with too many syllables and handed it to Harry. "Please use a designated portkey zone. It will depart in five minutes."