Quote Originally Posted by darkshadow View Post
Oro got sealed and still is, Kabuto infused some of oro's cells in him and they started to take him over, but his goal was to use oro's lifeforce to become even stronger than Oro; he kinda succeeded until he got tag teamed by immortal itachi and sasuke.
The was enough of oro's chakra in Kabuto and that's what Sasuke pulled out.
The curse seal was also involved right? I forget did they use Anko's curse seal?