Totosai tells Inuyasha that piercing the heart of Ryukotsusei, the demon that gave his father his mortal wound, will make his Tetsusaiga lighter. Inuyasha then decides to kill Ryukotsusei.
inuyasha-ep-53InuYasha Season 1 Episode 53
InuYasha Season 1 Episode 53
Father’s Old Enemy: Ryukotsusei
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