Originally Posted by
Akisunmaaji
I'm not sure if this is working as intended or not, since the tooltip does not state that it is supposed to refresh the cooldown on it, however any good DK will know already to use Blood Tap in his/her rotation.
For ex when I'm tanking here is my rotation: D&D->IT->Pest (and about now I don't have the frost runes available to use howling blast, so I would have to wait 10 seconds...but...) -> Pop Blood Tap -> Instantly get off a Howling Blast
Now I'm not saying that is it working as intended, but a lot of DK rotations incorporate Blood Tap already (people knowing that it refreshes the rune) to maximize efficiency.