
Originally Posted by
Odwome
Here's something for all you block-haters to chew on:
Imagine you're fighting a boss that can kill you in 2 straight hits, which is entirely possible in ulduar 25. Let's say you have 40k health buffed, and the boss is hitting for 20k, so two hits back to back with no significant heals (not counting divine storm or blood aura or anything tiny like that) will kill you.
If you dodge an attack, then yes, you will take 20k less damage from that attack, and if you block, you will take about 2k less damage. That makes it seem like each percentage point of block chance is worth 1/10 of a percentage point of avoidance. This is true for total damage taken, but the reason block helps is that it makes it much less likely to get into a worst case scenario that would result in a tank death. If getting two back-to-back hits would kill me, then I would rather have about 52 or 53% avoidance with 25 - 27% block on top, than 56% avoidance and only about 17 or 18% block. That lowers your chance from dying in that situation from 26% with the avoidance to 20% with the block.
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