"So he used his powers for that ,too." - Remember that?

[EdoKamui]

It's like than pain/nagato already see that jutsu(kamui) and the only place from where nagato/pain knew about kamui was Obito,these means nagato had a battle with obito, o ..what i say... a battle is too much..but at least they have a conflict or something else
what do you think guys?

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[EZQ]

he was reffering to kakashi using it on the rocket and "on that" when he faked his death from pain's nail

 

[KingHashirama]

"his" was referring to kakashi.

 

[edyelectric]

What the heck

 

[ShiroShonen]

He was talkong bout Kakashi

 

[Jordanofthecloud]

Nahh.. Pain was just being observant as f*ck (like he always is) towards Kakashi.