I don’t remember if it was someone here or on YouTube, but someone achieved this exact idea before, so it is definitely doable without voice Ai or anything.
EDIT: I did find a version of this idea. https://www.youtube.com/watch?v=5GvpT_7BMAc
This is a great find. The dialogue of him indicating that he knows the power of the dark side can effectively “justify” his outburst as a display of power - for those who want to keep in the rampage he displays in a future edit.