Theory:
*Buggy will be the last yonko to go down.
*More ex-warlords will join his crew.
*Buggy will talk with crocs,ray or scopper gaban to find an easy way to laught tale.
*Buggy will find captains John treasure.
*Whoever is the lurking legend will team up with Crossguild.
Crossguild vs Straw Hats will be the real end fight for the PK title.