It was 1991 in the philippines during the Pinatubo Eruption, A huge raincloud was obscuring the Ashcloud Pinatubo made and caused it be Nighttime even though it's daytime before saying this

"Eat this Humans! HaHa!"

Yunya then released heavy rain on Mount Pinatubo's Ashes and caused Several Lahars to happen within a second and destroyed 2,013 Homes while Yaunya was laughing like a maniac as it sees houses and people running in fear but remember it is still a Catagory 2