Hand of Light -
Your next attack has a chance to deal X% extra damage.
This is basically what our mastery is. Yes, it COULD possibly push back our HP generator, but this is not always the case. There are also the cases where our TV gives us the additional HP we need to do another TV.
I understand the concern that HoL doesn't mesh well because it can cause a delay in our rotation. This is understandable, but at the same time, being upset because you are given a free chance to use a more powerful attack while still given the chance to gain HP to use that powerful move again is something I don't see a problem with.
Zealotry on the other hand is a problem because the original mechanics without the cooldown are implemented in a way where it doesn't cause a problem. Once Zealotry is activated, Hammer of Wrath comes into the picture and things get more muddled. A simpler cooldown that is either A) a flat damage incerase, B) a flat haste increase or C) a cooldown/ability that meshes well with our current rotation.
---------- Post added 2010-11-03 at 06:33 AM ----------
For clarification purposes I'll put it into numbers..
TV hits for an average amount of 16k.
CS hits for an average amount of 12k.
Exo hits for an average amount of 10k.
HW hits for an average amount of 8k.
Judgement hits for an average amount of 8k.
When given a free chance at using TV, you are always going to get an average of 4k damage more than any other attack you would have used. So you can say in theory that our mastery is -
When your mastery procs, your next attack will do an additional 4k+ damage.