|The subject of this article was removed from World of Warcraft in patch 4.0.1.
Rank table Edit
|Rank||Cast time reduction|
- / Patch 4.0.1 (12-Oct-2010): Removed.
- Patch 2.3.0 (13-Nov-2007): The reduction in damage coefficient caused by this talent has been removed.
- Patch 2.0.6 (23-Jan-2007): Each rank of Improved Frostbolt now reduces your spell damage coefficient by 2%.
Prior to this patch, the talent only reduced cast time.