One Piece: Reborn as Enel Chapter 99 - Call to Action and Arrival
How was Luffy able to hit Enel? - Quora
World 56: One Piece – jumpchain
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One Piece: 5 Characters Enel Can Defeat (& 5 He Can't)
Is luffy light speed? - Quora
Definitve proof that Skypia Luffy isn't ligtnining speed - Gen. Discussion - Comic Vine
One Piece: 25 Strongest Devil Fruits (Ranked)
are Enel Lightning bolts really light speed or this wasn't correct
Could Oda be confusing the speed of light and lightning? : r/OnePiecePowerScaling