Waren, the Warewolf. Control his transformations

You are standing in the white space full of nothing, you're not even sure what exactly you're standing on. Maybe you're not? whole situation is highly unnerving, but it's not like you have not dealt with some weird magic before.

Standing there naked you felt seeping cold all around you. You started to exercise your muscles to keep the blood flowing and keep the body temperature. Increasing heart rate.

"I want to fully control my transformations!"
"Quite brazen aren't ya? I can't do that - fully part. It's just how your body works. I can turn you into a human, I can turn you into a wolf, but with ability to transform between the two .. there are simply rules even I can't change." The voice continued after a short pause "However. The fact I can't change them doesn't mean I can't bend them. You'll not ****-transform into a wolf unless you completely loose your self control during the full moon night. Otherwise with the use of a will power you'll be able to transform on demand. Plus I can remove the [Blood Thirst] curse. Are you satisfied with that?"

You were.

Larger window opened right next to you. Without much thinking you jumped through it, mostly to avoid freezing to ****