Dude, READ your own post before you answer my question... Your title and your own writing said " Who can truly solo the Akatsuki ", which means Guy doesn't need to win, either he dies or not he will still solo Akatsuki. Look how Guy made Madara turned into half while in Juubi mode. Most Akatsukis members would have get beaten. One strike from each Evening Elephant kills Akatsuki.
Look at my rule 3, it states clearly that said person should be able to beat all the Akatsuki at once. Even if Guy manages to beat everyone (which I don't think he could) Obito could just keep phasing or go to kamui dimension and wait out 8 gates.
What kind of argument was that? If Obito hides in the Kamui world, it means Obito lost, and Guy won. It is just like when Kakashi was hiding and waited for a moment to kill Obito back then while every shinobi, Naruto, Sasuke, Edo Hokages did all the work for Kakashi, and yet he just arrived and kill Obito for himself.
If Obito goes to the other dimension, it counts as a lost.. Deal with it.
Nagato uses soul dragon, obito fazes in and to distract him, Itachi uses amataseru, sasori uses the 100 hundred puppets with poison, konan unleashes loads of paper bombs, kisame is constantly bombarding him with sharks, deidara uses C4 and blows himself up, hidan gets his blood and uses the ritual, and kakazu protects everybody with constant earth walls. Guy has no chance
Only Edo Madara. Alive people have too mich risk with Hidan around and the possible suicide from Deidara.
itachi seals him.
Well Naruto Solo'd 6 paths before he could controll Kyubi chakra and for a majority of the fight, Sage Mode. So I'd say BM Naruto, and 8 Gates Gai. And yes, Gai would Solo them before he dies.