Board Thread:Boruto Discussions/@comment-1018594-20161222205643/@comment-30426414-20161229225956

Ravenlot 27 wrote: I think Madara just mentioned that Obito stole some of his sage chakra. Yeah, technically, all the people mentioned above used Six Paths Senjutsu, though the forms of their usage were different (as Elveonora already stated).

Watch the episode on crunchyroll, they have the official subs. Madara specifically said obito was able to steal six path chakra from him because obito was in sage mode once before.