Originally Posted by Seoman
By default, the Settings tab assumes that the last 20% of boss health will last 20% of the time of the fight (Row 27). This overvalues Kill Shot and its Glyph since many classes have abilities (like Kill Shot) which are operative during this time, together with blowing cooldowns (like Heroism), which help to increase DPS and thus shorten the duration of the end of the fight.
Happily, Shandara has included the ability to modify this number. So if the default for a 6 minute fight is 1.2 minutes, we could say, for example, that the last 20% of Boss health goes down 50% more quickly than the rest of the fight and make the value 0.9.
This being a fairly arbitrary stab in the right direction, is it possible to calculate a more realistic estimate?
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It is not realistic for general use since not everybody's raid operates the same way nor does even the same raid use the same basic strategy for every boss. complicating factors include:
- How haste effects are used/procs
- Is Bloodlust/Heroism used early or late in the encounter
- When are other on-use haste effects (such as Rapid Fire) used
- The RNG on procing haste effects (such as QS)
- The raid make up. How many of each class that has extra damage under certain conditions do you have and how much that class increases average DPS when the conditions are met
- The nature of the fight.
- Is it a stand still fight where DPS is greater and abilities proc more or often? Or is it a movement fight with lesser DPS?
- Does the nature of the fight change during various phases that makes DPS larger or greater over the various phases?
- How does the fight affect resources for performing abilities? Is the raid resource defficient over the last part of the fight?
- Individual's play style/competence/gear level
- How many people are alive the full battle
- etc.
There are just two many variables to take into account for a global realistic estimate.
The spreadsheet is a very powerful and great tool that has been worked on very hard by certain individuals who have made being an effective hunter easier, but it does not perform miracles. The spreadsheet does a great job of modeling the ideal situation. It even has some additional configuration features that allows you to tailor it more specifically for your situation, but there is only so much that can be realistically done, especially if the people working on the spreadsheet want to actually enjoy playing WoW too instead of just theorycrafting it.
The spreadsheet does a lot for us, but we are still responsible for some of the work ourselves, such as how to interpret what the spreadsheet is telling us for the ideal cases and then trying to extrapolate the results to your specific play style and raid situation to determine the decisions that are best for your situation.
If someone wants a more realistic estimate of the % of Kill Shot available time for bosses in their raids, then it is up to you to determine that value from data from your raids and use the configuration options available in the spreadsheet to see how it affects the results.
However, I wouldn't want the results from your raids in my spreadsheet since it may not be applicable to my situation.