Board Thread:Theories and Speculation/@comment-27924662-20160817160245/@comment-24824859-20160817172709

Namikazenaruto9 wrote: but even obito was unaffected by the IT because of Black zetsu..so I guessed either the zetsus(or rather the wood release) could be used to protect oneself from IT. Zetsus aren't made out of Wood Release.. Like Ravenlot said above, Tobi didn't protect Yamato from IT