Minato's FTG barrier could be the strongest jutsu.

[Prime Rib]

it takes alot of chakra for him to perform the jutsu and to send a object or thing of great size. next that is not the strongest jutsu, as edo tensei is

 

[Olorin]

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how come you never post this on Itachi VS threads?

 

[Retsu]

I honestly think so, if Minato were to make 4 clones all use that jutsu he could effectively detain anyone or anything in a s/t prison.

Just imagine if 4 clones of his used the barrier all around you, in a box formation, no one could break out, he'd literally be untouchable.