So you're telling me that choji is stronger than sasuke. I think kakuzu loses horribly. Ok remember when sasuke got shocked by darui's lightning after being trapped in a water style jutsu. It did nothing to him because his chakra nature is fire and lightning. This happened in the fight with raikage. Sasuke has a very high resistance to lightning because that is his chakra nature. That can also be said for fire. If you dont believe me then i will give you the link to the episode. Sasuke's high resistance is like him being invulerable to those elements. Sasuke wins easily. Do you know how long amaterasu lasts. Its lasts for 1 week, it will not be extinguished until the target is comepletely turned to nothing and goes past its time period or sasuke puts it out himself. Rendering shedding completely useless. So shedding is gone and taijutsu is not suicide. Sasuke wins. Here's link
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You can see the attack does no damage at all. Start at 7:13 and watch from there.
Sasuke uses a blade and can charge it with lightning, which improves his precision and penetration. Amaterasu also went through raikage's lightning armor and had to sever his own arm. Sasuke BLOCKED a blast from temari, kankuro, darui and gaara(who is a KAGE) with his susanoo. He blocked a lightning, sand, wind and explosive kunai(which is fire) attack at once.Thats how he handles lightning/wind/fire. And if he could do that then, imagine sasuke in the latest chapter of him who obviously got stronger. Here is the link as more proof.
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If he can block that with his susanoo then he can surely block kakuzu's attacks with ease. Remember he has a mini susanoo as well. High defense with speed. You have to agree with me now.