[Ami types out the names, and notices a discrepancy.]

So including Karkat and me, and Nepeta, that's thirteen... I don't remember who the glowy girl was, but she must be one of the twelve, right? Her horns were like this.

[she puts her fingers to her head to mime the horns. one finger held straight up, the other slightly bent to the outside.]

One kind of straight, one with a little barb.