Vipress broke her gaze and bit me in the neck. I could feel her teeth against my skin, she bit me not to rip my throat out...but then why? I realized the answer as I felt her fangs slowly puncture my skin and venom flow forth.
You touch the area on your neck where Vipress bit you and it feels scaly.
You manage to get to your feet as the changes started. You fell to the ground as everything started looking strange and certain things are far clearer than others. You realize you must be sensing heat like a snake.
You look at your legs to find that they merge at your waist into a giant snake tail.
You examine yourself looking for other changes. Snake-like scales have worked their way down your arms and down your back, as best as you can tell (you have no mirror handy but it feels that way to touch).
After the changes Vipress looked at you and said