Massive Electro Ball

"Massive Electro Ball" is a move improvised by Ash's Pikachu. It was used in Unova's Survival Crisis! during a battle to defeat Team Rocket. Pikachu absorbed Thundurus's Thunder attack to protecting Iris. When Pikachu's used Electro Ball it transferred Thundurus's energy causing the ball to fuse with blue lightning and become gigantic. Pikachu launched it at Team Rocket which caused great damage to the Abyssal Ruins.