Itachi uses the ultimate genjutsu technique Koto Amatsukami to free himself from the Reanimation Jutsu. Itachi then joins Naruto and Killer Bee to fight Nagato, who is still under Kabuto’s control.
It's the Totsuka Blade.
Also known as the Sakegari Blade.
إنّه نصل توتسوكا والمعروف أيضاً بنصل ساكيغاري
Totsuka-Schwert, auch genannt Schwert
des Sakegari, ein Versiegelungsschwert.
La espada de Totsuka.
La espada de Totsuka.
La Spada Totsuka.
É a Espada Totsuka, também 
conhecida como Espada Sakegari.
Клинок Тоцука,
 он же клинок Сакэгари.