The Demon King and the Puppet is the 209th chapter in Tsubasa: Reservoir Chronicle.
Clone Syaoran drags Syaoran's body to Fei Wang Reed. reed wants to destroy the clones body in order to restore the soul to the original. This way, he can use the body for "his own purposes" until he is no more.
Both Syoarans gang up on him and try to cut him down, but they miss the hit completely. Fei Wang then then uses devastating magic against them. Clone Syaoran protects the real version, and then prepares all of the magic it has left to use against Reed.