steadypal wrote:30 minutes of autoattacking a heroic boss dummy, blade ward got up to 3 and 4 stacks quite a few times so the number for how many times it was applied are off by quite a bit
i know your saying mongoose is better for threat, but what would you say is better for tanking and if threat was a non issue?
Actually, WoL properly counted 80 applications of the BW buff. It still counts applications properly even if you already have the buff - I counted them in the combat log to confirm. Your uptime was 36.6%, though that includes some periods where you had multiple stacks.
As a first-order estimate, let's pretend you have 36.6% uptime of a single stack of the buff. This is equivalent to assuming you parry a boss's attack every time buff gets re-applied, thus preventing you from ever having a multi-stack of the buff. A more rigorous analysis would involve some combinatorics to account for multi-stacks, but probably won't change the result significantly enough that we care.
So the average effect of Blade Warding would be 200*0.366 = 73.2 parry rating in this scenario.
Mongoose, on the other hand, should have around 50% uptime nominally, better if you have hit rating. At 50% uptime, that would be 60 agility on average. Using the conversions
here, that works out to 0.684% dodge (50.5 rating at that DR level), 134.4 armor, and 1.2672% crit (58.2 rating).
So Mongoose will give you less avoidance (~50 dodge rating compared to 73 parry rating), but gives you 134.4 armor (~12 stam worth of EH) and 58.2 crit rating.
Note that both of these ignore haste effects entirely - both enchants should get better with haste. Also, since this is all empyrical data, there's a reasonable margin of error (less so for Mongoose, which we know should have 50% or more uptime in a raid environment). Your 73 parry rating could easily be +/- 20% or more since it's only a 30 minute parse we're working off of.
In any event, Blade Ward gives you more avoidance, Mongoose gives you avoidance/EH/threat. If you agree that most burst tank deaths are unavoidable nowadays, Mongoose would be the logical choice since it's the only enchant that gives EH.
