Susanoo is Yin Chakra and Sage Mode is Yang Chakra

[eyerinnegan]

Susanoo is not an eye technique, it is represent user's Yin Chakra, once you awakened it, it's requires no eye
it's also represent UCHIHA YIN Chakra

 

[Sapiens Sequax Sex Semita]

chakra is created by mixing a persons spiritual energy (yin) and physical energy (yang)
sage mode is adding natural energy to the mix

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[Troyg39]

Bro you provided NO explanation for the Sage Mode part

 

[Sky99]

Bro you provided NO explanation for the Sage Mode part

lol he can't cause he pulled that out his ass.

 

[Avinash012]

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[xxSAGExx]

Susanoo is not an eye technique, it is represent user's Yin Chakra, once you awakened it, it's requires no eye
it's also represent UCHIHA YIN Chakra

Stop trying to compare other Uchihas to Madara, he's in his own league. Sasuke already said you need 2 MS eyes to use Susanoo. Madara mastered the Sharingan beyond anyone, has Senju DNA, Was revived by a special mean and has Senjutsu.