They are all direct descendant...the way it should be no fodder blood allowedBased on the chapter 673 :
1) Kaguya
2) Juudara
3) Hagoromo
4) Naruto
5) Sasuke
6) Juubito
7) Hagoromo's Brother
8) Indra / Ashura
9) Ashura / Indra
10) Hashirama
Agree?
1) kaguya
2) haggy
3) juudara
4) naruto
5) obito
6) Ashura
7) Indra
8) hashirama
9) sasukehhhh
10) Tobirama Solo Slaughterer
I understand your reasoning but you cant simply say that 8 gate gai,who can obliterate nagato in a second and dies 5 minutes later is weaker than nagato and put him under nagato.it just doesnt make sense.he beat him