[Yoruichi listens, folding her arms across her chest in unconscious habit.]

To be honest, I'm more interested in breaking illusions than casting them.

[It's too late to do anything about Aizen, but if she can help it, she'll never be caught at the mercy of someone's illusions again.]

Kidou uses your own reiryoku, but it doesn't use elements the way you just did. I wouldn't mind learning more about that.