Maintenance for the week of January 19:
• PC/Mac: No maintenance – January 19
• NA megaservers for patch maintenance – January 21, 4:00AM EST (9:00 UTC) - 10:00AM EST (15:00 UTC)
• EU megaservers for patch maintenance – January 21, 9:00 UTC (4:00AM EST) - 15:00 UTC (10:00AM EST)
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.