Alright, Yoruichi fell silent, as she now knew she had no way to resist at all.
Ren chuckled lightly, asking, "Yoruichi... is the reason you can transform into a cat a unique ability of your Zanpakuto? Or was it caused by that specific Forbidden Kido belonging to your Shihōin Clan?"
Ren looked at Yoruichi, his gaze revealing curiosity. Come to think of it, in the original work, Yoruichi truly never used her own Zanpakuto, not even once. Even in some manga flashbacks, one only saw Yoruichi holding a Zanpakuto resembling a dagger. Yet it was merely a single frame, with zero introduction to the abilities of Yoruichi's Zanpakuto.
Therefore, regarding Yoruichi's Zanpakuto, Ren remained quite curious.
Hearing this, Yoruichi initially felt a bit resistant and wanted to refuse to answer Ren's question. Yet faced with Ren's profound gaze, Yoruichi subconsciously nodded and spoke, "Transforming into a cat was entirely caused by that Forbidden Kido. Originally, my Zanpakuto had already reached Bankai, and its Bankai ability was quite powerful.
Yet back then, during my battles, I basically relied on powerful Hakuda, alongside Hakuda fused with Kido. I rarely used my own Zanpakuto. So I thought of this Forbidden Kido, wanting the Zanpakuto to fuse with myself, making me stronger and better suited to my own combat style.
In the end, I found the Forbidden Kido collected by my clan. This Forbidden Kido was also one created by the Ryūtōji Family. Furthermore, according to records, this Forbidden Kido was comprehended by the Ryūtōji Family from the Soul King’s Notes.
The effect of this Forbidden Kido was to re-fuse one's Zanpakuto back into one's own soul. Once the fusion succeeded, the spiritual body would gain enhancement, and one could acquire the Zanpakuto's abilities.
One could say that once successful, oneself was the Zanpakuto,