Devil May Cry Devil Trigger Voice

Okay so. I have searched everywhere and everything, and even tried myself. but I CANNOT replicate this. please someone help me.
https://www.youtube.com/watch?v=S3vxTVmso7c&t=140s
https://www.youtube.com/watch?v=hS9mXAkHPQs&t=252s

The only common-denominator between those two is a 50Hz comb filter …

(comb *track* 0.12 50)

comb code in Audacity's Nyquist Prompt effect.png
There’s more to it than that.

Then the Vergil one. how do I replicate it alone.

Bumping this because I decided to return to this to figure it out.