" Portal Guys" are really janky in combination with auras

There is a type of mook that keeps creating portals and moving around. They are funny and interesting and whatever. But today a rare mook of this kind got Mana Drain and it was really weird. The center of the Mana Drain aura kept appearing at completely unrelated places as if there was an invisible mook there. Meanwhile the real mook was causing me to drain mana at really random and unexpected places.