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"…"
Muramasa remained silent as he glanced at the sky.
"I am nothing but a fleeting memory of an once great swordsman that roamed Zipangu. But he was both betrayed and then eaten by the Eight-Headed Calamity."
"Orochi?!"
"Yes, that was his name I think… My soul slowly was digested, over eons… I was strong you see. When he died and then found you with the Sin of Gluttony, I was still inside of his Soul Stomach."
"And that's how you got out?!"
"Yeah, I believe so."
"That's… I didn't expect that, but it makes sense."
"When you awakened your Swordsmanship Techniques and started to ascend through your Understanding of the Heavenly Dao, I was able to connect to you… Your Limitless Path, the inspiration you felt, I helped ya."
"Wait, what?"
"And when you created that new Katana, it was me who guided you, my disciple. You created a good vessel for me, and in exchange, I shall lend you the Legacy of the Eternal Soul Blade."