Is Iris from the Hearts of Stone? She reminds me the herbalist character from the pre-release gameplay video:
That's pretty hilarious. In the interest of fairness, though, it's worth pointing out that the "melting face," for lack of a better term, isn't really a glitch. It's basically the game conserving resources whenever Geralt isn't around, but these players are circumventing that by using free-cam or noclip. At least that's what I assume.