Chapter 517

Coverstory Summary
CP9's Independent Report vol. 24: "CP9 Departs from St. Poplar"

Taking the Candy Pirates ship the CP9 set sail to their next location.

Plot Points

 * Elder Nyon is revealed to be a former empress from three generations past by the name of Gloriosa.
 * Hancock and her sisters are known as the Gorgon Sisters.
 * They apparently have a "curse" on their backs after they "slayed a gorgon monster".
 * Luffy accidentally crashes into the Sisters' bath house and sees what's on Hancock's back.

Anime episode
Episode 411