So I took a 'reasonably alright' run of mine from P7S (as that is the fight I used for the BLM example above). This is my number of casts used for damage:
Additionally, I have 20 Raptures, 4 Solaces, 1 Medica 2, and the fight was 10:57 duration. Yes, I missed two whole Miserys, sue me. Point is, working off of the design I pitched (so, Dia 12s duration, new Banish with 15s CD, that GCD heal tool, you know the drill), I came up with these numbers:
204 glares
21 dia
8 misery (24 GCDs to prep)
204 glares baseline
10 misery, plus 30 prep GCDs (8 less glare)
55 dia (34 less glare)
44 banish (44 less glare)
new total glares = 118
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hypothetical 'optimization' zone
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note, I casted one medica 2, so that would be replaced by one of the below BOTE casts. beyond that, this assumes that the player is popping BOTE
right before 1min windows, to put the damage in burst window (in case my Cleric Stance 60s CD selfbuff idea gets in)
10 BOTE casts (10 less glares)
10 quake casts (same button but it looks cooler, 10 less glare vfx instances)
Final result: 98 glares to look at instead of 204, we've over halved the count. Does this 'fix' the lack of impact? Not really. But it does get the spread of damage actions on the 'Casts used' chart on the log to look more like the BLM one, and that's a success of it's own I'd argue