Fearless prediction for Final Chapter (tm):
Post-wedding ceremony, the entire wedding party surreptitiously follows the happy couple to their nuptial room, gives them a 10-minute head start, then gathers around the door and begins singing - loudly - "You Are My Sunshine". You hear Fooly start laughing, then stops when realizes he's lost his edge (if you know what I mean...). Leo snaps and in a fit of rage unleashes the Sacred Sword and wipes out the entire party, plus 37 innocent bystanders.
Fooly makes a mental note to use earplugs next time.
The End.
*Based on a true story.