3) The cooldown must be conducive to being able to use the skill to pre-stack might by blasting a fire field and having the skill be ready to use in battle with a minimal delay. I personally would consider any skill longer than the median cooldown on blast finishers, 25 seconds, too long.
Again, requirements which aid your personal suggestion.
For example, 3. is something you came up with personally and it ignores the fact that 50% of the blast finishers have a 25s cooldown or higher. Remember, that Median you calculated? Heck, even 60% have a higher cooldown than 20s. So how is this a justifiable criteria for introducing new Blast Finishers?
Excluding Phantasms because they fail requirements 1 and 2.
Again, it conveniently justifies your suggestion of adding another Finisher to Greatsword since you exclude the Berserker. I would even argue that the Berserker meets those requirements if you are not exclusively talking about a zergfest where it might die too early.
Blast finishers are best used in groups, so I would not advocate for giving Counter Blade a blast finisher, as offhand sword is mostly a single target weapon. Counterspell and Confusing Images are both strongly biased towards being condition weapons, so I would not give them blast finishers either, as condition mesmers can be part of a group already as a glamour mesmer.
So single target weapons are bad for groups and don’t deserve Blast Finishers?
And condition weapons don’t deserve any because they are condition weapons and because condition weapons might be part of a group with a Glamour Mesmer? Dare I ask: Why would a GS get a Blast Finisher since it could also be part of a group on a Glamour Mesmer?
How are these even reasonable arguments? Sorry, I don’t get it.
This leaves Mind Stab as the most logical choice for adding a blast finisher.
Congratulations! You designed yourself a totally biased ‘study’ which leads to the result you were looking for because you made sure it would end there.
You are entitled to your opinion but so am I. I don’t agree with you arguments. I feel that most suggestions of adding a Blast Finisher to Mind Blast originate from the name – this does not necessarily adress you – not because it makes sense gameplay-wise. I feel that a Blast Finisher doesn’t fit the theme of the Greatsword and its playstyle. I also feel that it does not need a Blast Finisher since it does alright which probably is the most important argument not to implement one. Mind Blast already has its purpose and if you feel it being lackluster it might be better do improve what it already does. I also feel that a cooldown of 12s would be rather inapproriate for a Blast Finisher.
There are three Mesmer weapons which could need some help. The Scepter mainly because of its underhwelming auto attack. The Torch mainly because of the iMage although the Blast on Prestige should finally be fixed properly. And the Staff. While it does have its moments in 1vs1 situations (PvP or roaming) it is very lackluster in PvE and WvW. I personally think that – if a Blast Finisher was added – it could aid the Staff and make it a bit more appealing without making it overshadow other weapons. It also ties in the theme of an already very defensive and support focussed weapon. Adding a Blast Finisher to the Greatsword might negatively affect the attractiveness of other weapons which already are less popular. And again, it doesn’t need it.
That is my opinion regarding Blast Finishers on Mesmers. I don’t feel that you have considered my concerns and arguments at any time during this discussion because you are so fixated on your own initial idea. I’m even surprised how determined you are. At least you should have acknowledged that there actually are some arguments opposing your idea. I won’t bother arguing about this topic any longer since there doesn’t appear to be any desire for a real discussion.