how much avoidance+block does spec add?

5% parry from deflection = 5% avoidance
20 defense skill = .8 dodge .8 block .8 parry .8 miss = 3.2% avoidance/block
holy shield = 30% block

so 38.2%? a little more with the holy shield libram

Am I missing anything?

Just trying to figure out if my draenei paladin would be uncrushable after a respec.

In current tanking gear, as holy spec, I'm at:
15.02 dodge
10.77 parry
24.72 block
5.64 miss
=
56.15 current
+ 38.2= 94.35%

still a few percent away.
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Thanks!

I have been playing with this idea for scraping more tallent points come 2.3.
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Faylinn 70 Belf Paladin - Ysera
Bouncelot 60 Human Paladin - StormScale