Little bit late, but happy Homestuck day! Here's how to play Vriska in DnD 5e! background tracks are Tuath Dé Dunsany by Jesse Gallagher via the youtube audio library, and MeGaLoVania by Toby "Radiation" Fox homestuck.band...
If you're asking about the 8, that's a Vriska thing. When she types she replaces the letter B and the sound "ate" with the number 8. So like, "Great" would become "Gr8"