Chapter 70: ICISEI Episode 70
Episode 70: Ignorant Muzan, Encountering His Own Nightmare
『 These two items were more precious than anything to him, containing his last hopes in this life.
However, even this small wish might be threatened in this world filled with ghosts and demons.
Thus, he understood that the power within him was the key to eliminating demons and restoring peace to the world.
At that moment, Yoriichi Tsugikuni, with the determination to completely eradicate demons, joined the Demon Slayer Corps, becoming one of its members.
At the same time, this event made the situation more favorable for the Demon Slayer Corps, or rather, for all of humanity in their fight against demons.
Because after Yoriichi Tsugikuni joined the Demon Slayer Corps, he taught his ability—the Breathing Technique—to the other members.
Among them were the five strongest swordsmen,
Based on Yoriichi Tsugikuni’s Sun Breathing, they created the five basic breathing techniques: Flame, Wind, Water, Thunder, and Stone.
In the following centuries, these breathing techniques branched out into more varieties.
But that’s another story. 』
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