Other than torrenting wotlk client (direct downloads should be safe), what else useful are free VPNs for?
Personally I don’t see any benefits with free VPNs for gaming experience on Warmane (or any other online game). If you don’t use Static IP (which doesn’t change over time) on the same household with many players (which play under same IP), what would be reason to not play with your IP and without free VPN?
If you can’t play at all (blocked by ISP?) you should buy VPN, instead of using free VPN but “pay for VPN to play free game” is big turn off for most. You can also trying to change your default ISP DNS to something else (depending on many factors, DNS change can bring big difference), test which feels best for you: