I don't think they'll help you with a refund or a discounted price.
Says in the Terms of Service:
IMPORTANT: BIOWARE MAY FIND IT NECESSARY TO MAKE CHANGES TO, OR RESET CERTAIN PARAMETERS TO BALANCE GAME PLAY AND USAGE OF TOR SERVICES. THESE CHANGES OR "RESETS" MAY AFFECT CHARACTERS OR GAMES OR GROUPS UNDER YOUR CONTROL AND MAY CAUSE YOU SETBACKS WITHIN THE RELEVANT GAME WORLD. BIOWARE RESERVES THE RIGHT TO MAKE THESE CHANGES AND IS NOT LIABLE TO YOU FOR THESE CHANGES.