Maintenance for the week of December 22:
• NA megaservers for maintenance – December 22, 4:00AM EST (9:00 UTC) - 8:00AM EST (13:00 UTC)
• EU megaservers for maintenance – December 22, 4:00AM EST (9:00 UTC) - 8:00AM EST (13:00 UTC)
Try to learn to block it. It's got a cast time so it's one of the easier things to block. You don't need to hold block just tap it briefly.
Blocking is better than rolling I think. The cast time of dizzy is long enough that you can in fact roll too soon and stand back up just to get hit anyway.