One Piece 15th Anniversary: Dive to Grand World

One Piece 15th Anniversary: Dive to Grand World is a minibook released in Weekly Shonen Jump alongside Chapter 676.

Chapter 1: Islands
Explains how Punk Hazard changed since the Akainu vs Aokiji fight.

Chapter 2: Races
Includes all the known races of the world of One Piece, including three races that have been spoken of but not yet seen (Dwarves, Snakeneck, and Minkmen). The three-eyed girl, Pekoms, and Bepo's races remain a mystery.

Chapter 3: Animals
Introduces estimated sizes (as well as other characteristics) of animals (and other characters).
 * Shirahoshi: 17m
 * Megalo: 25m
 * Hoe: 40m
 * Sea Bear: 50m
 * Sea Lion: 55m
 * Large dragon from Punk Hazard: 70m
 * Smiley: 150m
 * Kraken: 300m
 * Sea Kings: more than 5000m

Chapter 4: World Government
Presents the Shichibukai and the marine ranks of some characters. Dracule Mihawk, Donquixote Doflamingo, Bartholomew Kuma, and Boa Hancock are confirmed to still be part of the Shichibukai.

Chapter 5: Pirates
Presents various pirates, the bounty posters from the "One Piece Ten" exhibition, and a bounty ranking:
 * 1) Portgas D. Ace: 550,000,000 (dead)
 * 2) Trafalgar Law: 440,000,000 (frozen)
 * 3) Jinbe: new unknown bounty after quitting Shichibukai
 * 4) Monkey D. Luffy: 400,000,000
 * 5) Donquixote Doflamingo: 340,000,000 (frozen)
 * 6) Pekoms: 330,000,000
 * 7) Gekko Moriah: 320,000,000 no longer active for an unknown reason
 * 8) Eustass Kid: 315,000,000
 * 9) Caesar Clown: 300,000,000
 * 10) Bartholomew Kuma: 296,000,000 (frozen)
 * 11) Basil Hawkins: 249,000,000
 * 12) Fisher Tiger: 230,000,000 (dead)
 * 13) X Drake: 222,000,000
 * 14) Caribou: 210,000,000
 * 15) Scratchmen Apoo: 198,000,000
 * 16) Coribou: 190,000,000
 * 17) Killer: 162,000,000
 * 18) Jewelry Bonney: 140,000,000
 * 19) Capone Bege: 138,000,000
 * 20) Roronoa Zoro: 120,000,000

Chapter 6: Mysteries
Lists mysteries such as the Will of D., One Piece, World Government taboo, and the three ancient weapons: Poseidon, Pluton, and Uranus.