Board Thread:Theories and Speculation/@comment-32832770-20170829130028/@comment-734582-20170829143018

Vladosaurus wrote: Anyway, most likely Orochimaru will never use WR in battle.I beat it will be another case of "phantom abilities". Having the KKG doesn't automatically give you that particular power. Just look at the Uchiha and their Mangekyo.

Secondly, Zetsu have a pretty weak Wood Release. Obito didn't use Wood Release unless he was encased in Spiral Zetsu, who also managed to amplify Yamato's wood release. If having a Zetsu arm gives that level of Wood Release, then it's completely useless to someone like Orochimaru or Naruto.