User blog comment:Kaido King of the Beasts/Chapter 832: Don't Judge this Rabbit/@comment-28966845-20160713134232/@comment-26803131-20160713173952

Maybe her ability is rooted to mirroring so she has to be in a certain proximy to the person as where Bentham can always turn into that person once her touches them. Also once her turns into a person he can only fight to the extent that their body is trained and she may not have that limitation.