Board Thread:Versus Battles/@comment-34993922-20190125042731/@comment-35166291-20190125225129

DMUA wrote: Considering it's listed as non physical interaction, I think it's more of a ghost ordeal rather then something that can hit someone's soul while it's in the body

if that's not the case you shouldn't list it as Non Physical interaction It basically really only applies to him fighting ghosts and spiritual beings. Though he does get another way to use Non-physical interaction through the use of Haki, which strikes at someone's true body should they have one.