He was the first ninga. The 10 tails underestimated him an got it self seald now with the 10 tails super chakra he created the moon.now the only part of his body we have seen is his eyes.the power they gave needed no hand seals. Now we can guess that his knowlege of ningitsu is limited.so a ninga like madara or minato using the death reaper seal will defecting the so6p.but this will revieve the 10 tails so i say its a loss loss situatiön. a ninga that is great aganist tailed beasts are not invinsible. as the 1st h... die in the 1st great ninja war