Chapter 646

Chapter 646 is called "Frog".

Cover Page
From the Decks of the World Vol. 29 - "Skypiea Rubber Band Land's Famous 'Nola-Bungee' & Aisa the Cloud Ball Girl"

Short Summary
Chopper tells Usopp about his new powers and he gets praised. Usopp's trap begins when Daruma attacks him and it send him flying and defenseless. Ikaros Much reveals his final weapon, his spear head. Hyouzou jumps at Zoro. Wadatsumi tells Sanji and Jinbe his plan. Brook starts humming, while Zeo shows his final defense position, which Brook breaks through easily and cutting Zeo down, at the same time freezing his wounds. Usopp hits Daruma with a pop-green. Chopper hits Dosun with his giant hoof. Franky uses a laser beam agains Ikaros Much and fries him with it. Jinbe punches Wadatsumi from the ground using Fishman Karate and from there, Sanji kicks him back down. Zoro cuts Hyouzou as he was jumping.

Chapter Notes

 * Aisa and Nola appear again for the first time since the "Where They Are Now" cover story.
 * Chopper can now control and fight in his Monster Point form for three minutes. In addition, Chopper just needs one Rumble Ball for this form.
 * Ikaros Much removes his helmet and reveals a spear on the top of his head which he uses for a final attack.
 * Although, the spear was showed in one of the flashbacks when Ikaros was a kid.
 * The Straw Hat Pirates reveal new finishing techniques against the New Fishman Pirates officers.
 * Usopp uses an attack called Impact Wolf, along with two trapping Pop Greens;
 * Brook's newfound powers can freeze even blood.
 * Franky has the power to fire laser beams.
 * Zoro uses a new version of Oni Giri called Rengoku Oni Giri.
 * Sanji uses a new flame based attack called Hell Memories that sets his body alight and when he kicks his opponent their body goes up in flames as well.
 * Jinbe reveals a new Fishman Karate secret technique called Buraikan that is capable of even piercing Wadatsumi's blown up body.
 * All of the New Fishman Pirates' officers have been defeated by the Straw Hat Pirates.

Trivia

 * The way Zoro dismisses Hyozou and calls him a frog at the bottom of a well is similar to when Mihawk called him the same thing during their first encounter.
 * This chapter has the most double spread pages with 7.