A family member made a similar binding pact when he was a child, he became ascended but his entire situation was different and he had a lot of experience built up in past lives.
I am thinking that maybe he could intercede for you, as he devoted his life to Satan, so he has that link, and yet he is also still close enough to being human that he will understand your predicament:
You could, if you wish, try this method of evocation to contact Varnaxis, ask him whether he will send you a sign which you will both see and recognise for what it is, within the next 48 hours, that he is willing to assist you in renegotiating this pact: