Valak Mountain - the following locations have the highest spawn rate (14%) for Sour Grape: * southeast of Nagul Waterfall; the area is guarded by the Vague Barbas * Antol Den * upon entering Three Sage Summit * end of the Lava Cave (watch out for monsters!) * the small cave that leads to La Luz Church * from the south of the Sealed Tower, look for the narrow uphill passage that leads to a dead-end * southwest of Great Glacier; head straight to the narrow passage and then turn left. Head to the dead-end to find the spawning point. * Befalgar Pedestal; head northwest to find the dead-end * the passage along Kana Peak * the midpoint of the narrow passage at the other side of Kana Peak * from the Zokhed Pass, head to the right-most area and enter the n