Chapter 904

Chapter 904 is titled "The Entrance of the Revolutionary Army Commanders".

Cover Page
The Stories of the Self-Proclaimed Straw Hat Grand Fleet Vol. 34: Orlumbus Arc - "In the Standing Kingdom: The trailblazing adventurer announce his retirement"

Orlumbus reports to his king about his choice to follow the Straw Hat Pirates.

Short Summary
After losing their base of operations, the Revolutionary Army set up their new base at Kamabakka Kingdom. Ivankov commented about the Straw Hats' exploits at Totto Land and Dragon plans to declare war against the World Nobles at the upcoming Reverie.

Elsewhere, four Revolutionary commanders appear at Lulusia Kingdom to help its citizens fight and defeat the Pinkbeard Pirates.

Long Summary
why this joint not popping up?

Chapter Notes

 * The Revolutionary Army escaped the destruction of Baltigo and they moved their base of operations to Kamabakka Kingdom.
 * Dragon decides to declare war on the World Nobles during the Reverie.
 * The Germa Kingdom is no longer a member nation of the World Government.
 * Lulusia Kingdom, mentioned in the previous chapter, makes its debut.
 * Moda, the girl who appeared in Ace's cover story, appears as a citizen of Lulusia.
 * A subordinate of the Blackbeard Pirates, Pinkbeard, makes his debut.
 * The executives of the Revolutionary Army are introduced.
 * Morley of the West Army is a giant okama who uses an unnamed Devil Fruit which allows him to manipulate clay.
 * He was the shadowy figure Doflamingo mentioned at Chapter 801.
 * Belo Betty of the East Army is a human woman who uses the Kobu Kobu no Mi which increase peoples' courage to fight.
 * Lindbergh of the South Army is a cat mink who uses his own inventions to fight.
 * Karasu of the North Army is a mysterious man who uses an unnamed Devil Fruit which allows him to turn his body and clothes into a flock of crows.
 * He seems to be the man who talked to Sabo in Chapter 794.
 * The Reverie begins in two days.