How did God-Sasuke tame Lightning?

[Angelic.]

He started with static electricity by rubbing his feet on carpet. Then he meditated around power lines

 

[Ansatsuken]

He started with static electricity by rubbing his feet on carpet. Then he meditated around power lines

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Sorry Asian Kid, need to borrow it, =D

 

[Eng nawashi]

He insert his own chakra with lightning affinity inside natural energy and sync with Natural Lightning. Walla!! It happen.

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This .it is similar to how ninja can manipulate existing water and ground .

 

[Jiren]

He insert his own chakra with lightning affinity inside natural energy and sync with Natural Lightning. Walla!! It happen.

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Thank you for this wonderful explanation

 

[SenseiSama]

He has the strongest lightning affinity