Blackbeard is final Villain, Imu is done there is nothing left. we found out more about Imu than we did about Blackbeard eating 2 devil fruits...
Blackbeard is the final Villain, Imu not gonna fight Luffy after this arc, Imu is done. how its going is next arc Akainu after that Blackbeard, 2 oponents left, 2 arcs left