Uchiha Yi chose to challenge Guy first. Guy with all Eight Gates open was terrifyingly powerful. Yi had a feeling that even Hashirama Senju at his peak would die to the Eight Gates if he could not survive the Gate of Death's explosive burst.
That said, Guy with the Gate of Death open was both incredibly hard to deal with and surprisingly easy to handle.
Especially for Uchiha Yi, whose body was stronger than Guy's even with the Gate of Death open, without Yi opening the Eight Gates himself.
With the right special ability, dealing with Guy would take only an instant.
Many called Guy the man who had nearly kicked his way to the ending. But in truth, Guy had only managed to hit Madara Uchiha because Madara wanted to feel the power of the Gate of Death and took that kick himself, while Minato Namikaze and Kakashi Hatake dealt with the Truth-Seeking Orbs for Guy.
Otherwise, Guy could never have hurt Madara.
Having awakened the Rinnegan, Uchiha Yi understood exactly how thoroughly one ability could counter another.
Madara Uchiha countered Guy.
And Uchiha Yi countered Guy too. Even with the Gate of Death open, Guy was helpless against Yi's Limbo Clones.
Against a Six Paths Level opponent, Madara Uchiha's ocular technique might not do much beyond blocking attacks. Against anyone below that level, though, it could take them down in a single strike.
Neither ordinary Sage Mode nor the Eternal Mangekyō Sharingan could sense the clones' presence.
Without Six Paths Senjutsu, the Rinnegan, or a Byakugan on the level of the Ōtsutsuki, there was simply no seeing through the Limbo Clones.
Uchiha Yi had always believed that Madara with the Rinnegan was stronger than Hashirama Senju.
Plenty of people thought Hashirama was not far behind even Madara with