Ranged DPS, choose a weakness that would justify a buff

[Akiudo]

I have a pretty decent understanding about how brd works

okay, just to humor you and your pretty decent understanding of bard.

1. reportoire proccs=soul voice stack, you will NEVER want to miss extra procc chances no matter the song or whatever, your "pretty decent understanding" of bard ends with the fact that double proccs=double the soul voice, even during mages ballad or when allready at 4 stacks during wanderers.

ignoring that (lets just call it a small oversight and chuckle to ourselves)
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2. proccs are on server ticks at 3 second intervalls, you will allways miss 1, however more likely 2 ticks of your proposed reportoire buff if you so much as move 2 steps out of any aoe, at any time, no matter what. not even blackmage is that restricted (even if we assume perfect play down to every cooldown 2 xenoglossy+triplecast still leaves more than 10 seconds of free movement every 80 seconds, thats not even throwing in a swiftcast or having a thundercloud procc simply line up conveniently)

3. the notion that there are "enough" proccs during mage ballad anyways is just stupid, unless you somehow reach 100% procc rate it is not "enough" if its possible to raise it.

4. you would still only want to be in wanderers 20 seconds if playing optimally, arguing one could stay in it longer would at best be akin to "blackmage can use xenoglossy at suboptimal buff timing" or things like that so don't even go there. with that being said even with all your great extra proccs theres no guarantee you will get 2 double proccs in a row or even 3 proccs+EA lining up early, lets be optimistic and say you will average out 4 proccs at 7~ seconds or so leaving you with 13 seconds of "free" movement, add to that you wouldn't want to move 3 seconds before switching so your great new procc mechanic is active when switching and you end up with 10~ seconds out of 80 of free movement. Your theoretical bard has less "free" movement time than blackmage even ignoring your complete misunderstanding how soul voice works.

5. while not as big you can at least a little bit adjust your positioning slowly by slidecasting which wouldn't be possible at all on your proposed bard, even ignoring that, say you sit directly next to the server so absolutely no slidecasting for you, if you know you need to stack in say 15 seconds and before that nothing happens that forces the group apart you got all of that 15 second window to get to the stack, you don't need an instant NOW, you need it during that 15 second window in such a case, as your theoretical proposed bard you've got no such luck.

oh and yea, at 10y range most things outside of medica 2 will most likely miss you, your position would literally have to be fixed at "directly 10 yalms behind the boss" or no way in hell you will get a 15y radius heal the healer starts from anywhere optimized to hit every melee+the tank, best case it gets decided your tank doesn't need the aoe and your heal can pull some "oh, i will just stay a little behind everyone else in the group" move,lets just hope no melee is trying to hit a positional right now or the caster is still 2 steps away from the group to the right as theres no need to exactly stack and this way works out better as pre positioning for the next mechanic. btw again "moving in" would with your bard suggestions ALLWAYS be a loss, no class, literally no class is in a position where movement is a loss no matter the circumstances, so yea, come again with your great understanding of bard.

You literally proposed turning bard into a less mobile version of blackmage (if wanting to play optimally) that on top of it all would have to do some weird positioning that that very same blackmage wouldn't have to do and in exchange suggested it should "only" be 3% or so behind.