Thunderstorm Rain

The Thunderbolt Rain (Hujan Halilintar) is one of BoBoiBoy's abilities for the upgraded Lightning element.

Season 2 Finale
BoBoiBoy Thunder threw his Thunder Blade  in the clouds, which produced thousands of blade-shaped Thunderbolts and rained down to  Petai 's Shield.

Episode 1
He also used again against Ejo Jo.