Obito charged with his sword, using Phasing to let the arrows pass straight through him as he closed in on a Wood Release Clone, then using Phasing to pass through the barrier of its Susanoo!
The Wood Release Clone intercepted him with Chidori, but Obito used Phasing to pass through that as well. As they passed each other, slash! The Kusanagi Sword swept across the clone's shoulder, leaving a cut!
Whoosh! As Obito emerged through Susanoo's back, a Kamui vortex erupted from the cut on the Wood Release Clone's shoulder. The clone vanished, and the Susanoo it had summoned collapsed without another blow!
Without so much as looking behind him, Obito rushed straight at the next clone!
Sasuke's clones had tried to catch the instant Obito became solid to swing his sword, but with the unstoppable Kamui-enhanced Kusanagi Sword in his hand, the difficulty was worlds apart from when he fought barehanded!
True, there was a delay between Kamui's activation and the completion of its transfer. But combined with swordsmanship, all Obito had to do was leave a cut and let Kamui activate on its own. This almost entirely overcame Kamui's greatest drawback!
Slash, slash, slash! For a time... the Wood Release Clones' formidable arsenal became nothing but decoration to Obito!
He slaughtered the Wood Release Clones as though no one could stand in his way!
Even the clone that had claimed to be the original fell to the Kusanagi Sword. Looking coldly at the six Wood Release Clones that had yet to disappear, Obito held his sword ready. "You've hidden your real body well. But there are only six left. Killing you will be nothing!"
Sasuke watched the black light flickering along Obito's Kusanagi Sword. His real body remained still as he studied the new ability Obito had revealed.