With Luffy and Kizaru's fight wrapped up, it's time to face the final boss of One Piece's Egghead Arc. St. Jaygarcia Saturn, Godhead of Science and Defense, has stepped onto the battlefield to eliminate the remaining resistance on the island personally. The first people he's setting his sights on are Sanji, Franky, Dr. Vegapunk, and, surprisingly, Jewelry Bonney. The Big Eater quickly started the fight by running up to the Elder and stabbing him through the chest with a sword. This likely won't amount to much in the long run, but it does establish the Supernova's stake in this fight.
Source：https://www.cbr.com/one-piece-theory-bonney-vs-saturn/
