a swamp monster women supposedly dating sans and can morph her body any way she wants but cant change color and has a yellow melted soul and not just a red heart and has no organs or bones has no blood and has goop skin and if the goop gets darker means the goop is getting softer but has smooth skin and has weird black veins in its body making the goop skin and is hard to kill because of the melted yellow soul but can be killed to decapitation and the easiest way to kill her is drowning 