One Piece: Avenge My Family, Kill Every Celestial Dragon!

Joy Boy's corpse being in Imu's possession was indeed my own invention, with no official canon to back it up. I wasn't sure whether everyone would accept it.

Also, the Holy Knights were established in the original manga, not something I made up!

They simply hadn't been fleshed out yet; only their name had appeared, so they were perfect material for some creative speculation.

You can check the latest chapters of the One Piece manga for details. The name appeared there.

Rocks's Devil Fruit Ability! A Five Elder Dies

Boom! Boom!

Rono unleashed his full strength against the Bald Five Elder and the Curly-Haired Five Elder!

Every slash carried the enhancements of both the Strength Fruit and the Smash-Smas​h Fruit!

And on top of that came the flames of the Flame-Flame Fruit!

Rono already possessed swordsmanship of the highest caliber!

Combined with his three-color god-level Haki and two devastatingly destructive Devil Fruits!

Even with two fully rested Five Elders joining forces, Rono drove them back again and again!

His overwhelming destructive power forced them to pour all their Armament Haki into defense!

Otherwise, even the slightest mistake would leave them hacked to pieces!

Rono's destructive power actually seemed greater than Rocks's!

"Hold on! I believe Lord Imu will surely come!"

Even as they were forced back again and again!

The bald and curly-haired elders gritted their teeth and held their ground!

They believed Lord Imu would never allow Rocks and the [Most Evil Criminal] to wreak havoc like this!

"Rokushiki Ogi: Life Return!"

At that moment, the two Five Elders made their decision!

They would sacrifice their lifespans to regain the strength of their youthful prime!

This technique came at an enormous cost!

Especially for the Five Elders, who were already advanced in age!

Using it could very well exhaust