If your look was good enough, you wouldn't be sitting in my chair right now.
[Is her dry and distracted response, glancing down and wrinkling her nose as his extensively vital physique. No "Dark Lord" should be so muscular in her opinion, he just looks like a Kellid. Very well, she supposes, the lich look won't work.]

Hmmm, they probably won't put more clothes on you so... Let's try this

[She swirls her fingers through a series of illusion cantrips, first his hair turned from a light green to a dark puce. His eyes she replaces with black pits, and his skin she shrivels until it presses against the bone, then she lights the whole image up from inside his skull with a green flame. Creating the illusion that his head is simply a flaming horned skull.]

What do you think