Looks like some hot fixes were put into place

Combat and Careers

  • Fixed an issue with the Rune Priest spell Grimnir’s Shield that allowed it to stack with Guard to absorb 100% of incoming damage.
  • Fixed an issue with the Zealot spell Embrace the Warp that allowed it to stack with Guard to absorb 100% of incoming damage.
  • The Ironbreaker tactic Powered Etchings will no longer stack with other snare effects.

Realm vs. Realm

  • Fixed an issue that would, in some cases, allow players to use the mounted speed buff in scenarios.
  • Players participating in the Black Fire Basin scenario will now receive the benefits of Bolster.

Update: 7:20 PM EDT – Updated Combat and Careers fixes to more accurately reflect the nature of the fix.

http://herald.warhammeronline.com/warherald/NewsOverview.war