Spoiler alert for Kingdom Chapter 649 and Spoilers alert, Leaks, and Assumptions.
Kingdom Chapter 649 spoilers will be out quickly with the uncooked scans escapes of the manga issue arriving on the internet. Since he could be currently about war contrary to Kantan qin has lots of inner conflicts. Riboku has escaped from Kantan and Kingdom 649 manga chapter will show that Ousen is going to be prepared to punish Zhao using his massive army.
Kantan and Zhao can either fall or Riboku can return to its saving as his duty had been towards none one of those rulers and the Kingdom. Ryofui might never return in the manga show and Kingdom Chapter 649 will say the final goodbye.