General Discussion

With the summonig impure world incarnation jutsu a revived shinobi is given unlimted charka and won't die untill the jutsu is dispelled properly. Does that mean Gai and Lee can enter 7th charka gate for ever until the jutsu is dispelled? Would Itachi ever get blind for overusing mangekoyu sharingan? What are justus would be unlimited?

gai and lee could use the gates as much as they want,but itachi would get blind, he became blind when he used izanami even though he was edo.