Igturfas is a brown powder prepared from the blood of the iguri, a rare gold and brown tree viper native to temperate rain forests and tropical rain forests at high elevations.Igturfas is prepared by straining iguri blood and evaporating the plasma. Igturfas causes feeblemindedness ; at minimum, it causes disorientation .Iguri venom is a generic nerve poison.A good antidote against Igturfas is the herb known as the Pepperglove.