You are a hero on a mission to slay the dragon wizard to free the princess from her curse once you arrive at his castle you encounter him in his room, you approach him and tell him why you're there

Dragon wizard: "Why don't you just obey and leave me alone!"

He exclaims before hitting you with a magic ray, when you open your eyes you see that you've transformed into a female kobold and you're on all fours, while you're confused you hear the wizard say

Dragon wizard: "Now you will obey!"