In some costumes I have seen Raiden with a katana strapped to his side and yes its very cool but I have never ever seen one instance of him ever using a sword in game or in animes… always thought it was cool but never had an answer, any guesses ?

Edit : this is all I’ve found on the topic from the Fandom wiki:

A saya (katana scabbard) appears on two of Raiden’s secondary costumes. However, he is never seen using the sword.

[Raidens Fandom Page](

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