Patch 4.1.0 (26-April-2011): Now deals 130% of weapon damage, up from 110%.
Patch 4.0.1 (2010-10-12): Changed to a Frost Specialization.
Patch 3.2.0 (2009-08-04): This ability can now be dodged, parried, or blocked. Weapon damage bonus reduced to 55%, down from 60%.
c http://www.wowwiki.com/Frost_Strike
