When I logged on Wednesday, it was like I hadn't played Tuesday. I lost levels on 4 pets including a minfernal that I had used a stone on. It was back to poor. Once I explained to a GM when, what, and which character used the stone they restored it. A guildy said over night there were restarts so I ...

This happened to me Tuesday and I was able to get the stone restored by providing the name of the character that performed the upgrade and approximate time when I upgraded. I did have to relevel but that's not too bad when you know how. Maybe try resubmitting your ticket.

I bought mine for 3k on Proudmore (A)