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)
Colony 6 - Park. Special LV3 and before completing the Mechonis core. The spawn rate is 13%.
The following collectables can also be found in the park:
- Sea Berry (13%)
- Tropical Radish (13%)
- Black Frog (13%)
- White Tail (13%)
- Love Crane (13%)
- Despair Clover (11%)
- Heart Peach (11%)