Hit Rating - how important is it?

BTW warriors had the same change in 2.3. Here is the explanation from Wiki. Occam's razor also says they would have done the same thing for pallies.

Patch 2.3.0 (11/13/07): The chance for this ability to land successfully on its target is now increased by hit rating.

However, Taunt remained classified as a spell for the purposes of determining miss rate versus mobs. That means that against a mob 3 levels higher than the player, *Taunt has a base chance of 17% to be resisted (a miss)*. (*Needs reference) There is also a 1% chance to be resisted that cannot be overcome with gear.
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http://www.wowhead.com/?npc=15192 ?

Yep he's tauntable.
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I just tested this with another tankadin, both of us glyphed, and at 0 hit rating (eqipped my trusty blacksmith hammer for this).

Here's the combat log:

http://zzq.cc/files/WoWCombatLog-RDtest.zip

About 6 and a half minutes of us taunting, 94 casts.

No misses, no resists.

There is one record of a fail, when I tried to taunt while it was on CD.

1/12 15:48:55.511 SPELL_CAST_FAILED,0x0000000000CDF704,"Shadowyn",0x511,0x0000000000000000,nil,0x80000000,31789,"Righteous Defense",0x2,"Not yet recovered"

I'm going to set up a script with my wife's paladin to taunt this thing back and forth automatically and collect a few hours of data for a larger sample size.
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If it had a 17-8=9% chance of missing, your chance of going 94/94 should be 0.014%.

If it had a 9-8=1% chance of missing, your chance of going 94/94 would be 38.9%.
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"Almost silent, but watchful and helpful."

Yep, that's enough to clearly lay the "17% base miss" hypothesis to rest, but it doesn't rule out 9% base miss just yet. Unfortunately, it'll take 460 taunts to rule out 9% with less than 1% chance of error, but if you can script it that'd be great (I won't tell )

Ideally, it'd also be nice to grab a gear set with 7-7.5% hit and show that you *can* get a resist under those circumstances. Thanks for doing the testing while I'm stuck at work fuzzy and saving me the effort
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WHAT WOULD BEST DESCRIBE YOUR PERSONALITY?
Moonlight Sonata Techno Remix

Here's a link to the parsed version of Fuzy's log filtered for RD casts. You can still view the whole log if you want.

http://wowwebstats.com/iwi1g26lqhauu?bl=0&filter=spell%3D%22Righteous+Defense%22
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http://armorylite.com/us/frostmane/fridmarr/

4 set Dreadnaught said:

Increases chance to hit with Taunt and Shield Slam by 5%

And I remember helping tanks farm for that trinket out of ZG.

Also, with Wrath, we're now able to push that extra 1% off the table whereas we couldn't in Classic and BC. We can now truly be hit capped.

And all I know is, I'd rather have a small chance for taunt to resist than to have the same small % chance to be crit. Lol.
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You can't miss with RD on anachronos.
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I already tried it. 0 hit, no glyph, not a single miss. Traded taunts with a bear for 20 min.
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