Alcamoth - the following locations have the highest spawn rate (17%) for Thunder Atmos: * from the Main Entrance, head to the furthest grass area, which is to the right of the escalator. The spawn point is in that grass area. * from the bottom of the escalator near the Fountain of Eternity, the grass at the upper-right area * from the Fountain of Hope, the grass at the upper-right area (day only) * from the Main Entrance, the narrow land of grass on both sides (night only) (hint: look for named NPCs walking by the narrow grass area)