Board Thread:Theories and Speculation/@comment-3568954-20160822081524/@comment-734582-20160825161853

Actionmanrandell wrote: him calling them back was probibily just a summoning jutsu. The problem with this is that Edo Tensei needs DNA to bind the soul, and Hagoromo called back actual souls, without needing any body to bind them in and no DNA to identify the soul. similar to how Lady Chiyo could bring the dead back, but a Rinnegan User needs no body.