You are walking through your home and this creature is blocking your path!
Since the girl of your dreams is on the other side of this creature, willing to have sex with you and you have to try and pass it. But will you be able to?
1-79 the creature stabs and kills you.
79-99 the creature slices off your dick, sending you to the hospital, preventing you from having sex with the girl and anything ever again
Dubs and you will survive the encounter, but have to reroll a 69 to get the sex
Trips and you kill the creature and you make your way to the girl and have dream sex.
Quads and the creature becomes your servant, allowing you to tell it who to kill at any time. Oh and you also get the sex