Putredinis

Right,
In case anyone needs to know,
I'm a level 70 protection specced warrior 5/0/56.

And i'll just explain how Shield Block works, for any non warriors reading this :

It gives you a 75% increase in chance of blocking an attack (2 attacks if improved)
the cooldown is 5 seconds.
Costs 10 rage

When you are up against a mob that hits with a speed of 2.50 or slower (2.50+) you will be able to avoid crushing blows fully, seeing as the mobs takes 2.50s+2.50s=5s to hit you twice, and by that time your Shield Block is ready again. (Assuming you have enough rage points)

I had this discussion with a few friends about Damage mitigation,shield block and crushing blows.

One of them said this:

If you have 20% Dodge and Parry, 10% chance of being Missed (I'll just call it miss chance)
You'd have 20%+20%+10% = 50% full damage mitigation.
Now, to the crushing blows.
If you pop your Shield Block ability you get a 75% chance of blocking 2 attacks (if it's improved).

Seeing as Dodge Parry and Miss fully avoid damage and hits, you can't get crushing blows at all when dodging etc, obviously.
Now, when you block you can't get a crushing blow either.
So, his logic was:

50% +75% = 125% Chance of not getting a crushing blow...so having 25% base shield block rating wasn't important at all

Now if that is correct, it basically means my base shield block rating isn't as vital on mobs that hit 2.50 or slower, as long as you have enough shield block % so when added with Dodge, Parry, Miss and Shield Block Ability will hit 100%+.


Here's how I think it works:

Dodge, Parry, Miss, Block are all different "stats".
The game checks each of your stats and then decides if you get hit or not.
A rough example:

Miss --WoW checks if X hits your or doesn't
Dodge -- If X hits you, WoW checks to see if you dodge the attack
Parry --If you do not dodge, it checks to see i you Parry
Block --If you do none of the above, WoW then checks to see if you Block the attack.

This is where having at least 25% Base shield block rating is vital, so when combined with Shield Block it gives you a 25% +75% =100% block chance.

Now, I was hoping that I could get some help figuring out which one of the theories are correct...or if they're both wrong.

 

NicotineJones

You are incorrect. Your friend is right.

 

nfw

He's right, miss/dodge/parry/block/crush is the same roll. But stacking shield block rating might still be effective, since it's cheaper compared to the other ones, so if you want to become crush immune passively, it's the best way to go.

Also, you still get rage from a blocked hit, but not from a dodged/missed one.

 

kavalier

He's correct. The concept which you are referring to is the attack table system (which you'll find is something many rogues are completely obsessed with). Your friend basically described the One-Roll theory and you have described the Two-Roll theory. Anyway... here are some interesting readings for you.

Working Theories of Theorycrafting as of 2.1
http://www.wowwiki.com/Attack_table
http://www.wowwiki.com/Formulasefense

 

galzohar

Getting crush-immune passively is near-impossible, at least not without getting to the point where your stamina is uselessly low. And when shield block is up shield block rating does absolutely nothing for you. And when shield block isn't up, blocks are rather tiny damage reductions anyway, especially compared to dodge/parry/miss. Of course you should just stack stamina and not avoidance, but for avoidance (or anything else for that matter) block rating is terrible.

 

Putredinis

Aha, thanks alot for clearing that up Much appreciated!

 

Berin

http://armory.wow-europe.com/#charac...glade&n=Mortun

Your spec makes baby Jesus cry :_(

Might wanna read
Demoralizing shout et al.
and take into account that imp TC drops 20% attack speed from the mob you're attacking.