В дополнение: http://www.wowwiki.com/Unrelenting_A...?oldid=2390002
With rank 2 of this talent, you can repeatedly spam it until it is disabled. When tanking as Arms while leveling, use this to your advantage.
Patch 3.3.5 (2010-06-22): Undocumented change. You can now only use Revenge once per block/dodge/parry with this talent.
