Board Thread:Theories and Speculation/@comment-31611719-20170514123545/@comment-30426414-20170515222835

Thekillman wrote: TSB's are superior in offense and defense. PS is also a big target, whereas Madara's Jinchuriki profile was pretty small (namely, human-sized).

TSB's don't have Susanoo's destructive capabilities, which would have helped madara immensely against Naruto and Sasuke. Furthermore, susanoo being a large target does not matter since Madara does not feel the damage received by susanoo. If its one of Naruto blindsides him with a rasenshurikens, he could always regenerate.

Thekillman wrote: We've seen with e.g. Naruto that the Biju chakra heals, whereas the Sage chakra makes you more resilient. So it seems to me that by keeping his chakra for himself in stead of manifesting it in a huge susanoo, he benefits more.

Just because he manifests a susanoo doesn't mean he losses the benefit that the bijuu and sage chakra provide. The juubi's chakra is immense, allocating a fraction of it into susanoo does not make a dent in Madara's reserves.

Thekillman wrote: I do however see the additional cost: Susanoo would still be a jutsu to maintain (whereas TSB's seem free), chakra to invest and would make him a huge target whereas his TSB's were fulfilling his defensive and offensive needs.

Like I said before, the Juubi's immense reserves pretty much eliminate any concerns of chakra depletion. Just look at the final fight. Naruto was completely helpless against Sasuke's bijuu powered susanoo until he gathered NE. If Madara used susanoo against Naruto and Sasuke what chance do they stand? Their only option is to respond with their own avatars if they hope to survive. Now everyone's a big target, only difference is that Madara can regenerate if they manage to penetrate his susanoo. Moreover, Naruto has TSB's as well but that never stopped him from using kurama. Thekillman wrote: Considering Madara even survived Guy's worst, yet we've seen Susanoo break to lesser attacks, i think he made the right call.

You've seen susanoo's that are not powered by the Juubi's and senjutsu chakra break to lesser attacks. And also, we've seen that even the truth seeking balls were not enough to defend against Guy's attacks, using susanoo to fortify the TSB's would have mitigated a lot of the damage he received.