Nagato used Madara's eye. Proof 1
Madara used Chibaku Tensei. Proof 2
Madara knows about six paths technique. Proof 3
Six paths techniques, can be used by all rinnegan users
The.paths were wrote on the uchiha tablet.so yeah he read about them.thats how he.knows about them. When he was edo.tensei summoned he said before he died he didn't have time.to.explore the rinne abilities.
Again my.posts were.meant for blind madara vs itachi which.is what the thread is about but either way.I.proved.madara.couldn't use.all.rinne abilities.
~ I.won't.deny it, ima.straight rider you don't.wanna.**** with me.