One Piece. Big Score. We Will Always Be Here

Enel's monstrous plan is in execution: striving to destroy the sky country, the powerful thunder god unleashes all his divine power upon it. But before casting Skypiea into the Blue Sea, the self-proclaimed god intends to claim the main pride of the Shandian people — the golden bell, whose ringing spread across the sky four hundred years ago and forever changed the lives of its inhabitants.
Luffy rushes to stop the scoundrel — and although the rubber captain is immune to electrical discharges, Enel has other trump cards up his sleeve...
The book includes volumes 31–33 (chapters 286–316).