Board Thread:Naruto Discussions/@comment-24847491-20140921145042/@comment-24519434-20140926193733

ItachiWasAHero wrote: Like Rip said, when Madara bit a chunk out of his shoulder it regenerated near instantly without sage mode. Same with Obito.

When did Obito regen? He kinda just let Kakashi put a hole in him and said "haha, I'm heartless"