The connection issues for the European megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
Going on many years now, they clearly aren't going to fix it. This is probably the 100th post about about and the 1000th comment on it. Yet here we are.
Desync? Desync. Happens all the time in PvP. Skills don't fire because you THINK the target was in crosshair, or the ability fired--but nothing--etc. Same thing happens with my Merciless Charge "Target out of range" when they're less than 12m away.