Fast Cast Set For Locked Weapon?

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Fast Cast set for locked weapon?
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By DaneBlood 2026-08-26 15:34:27
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Dodik said: »
Correct. "I only see a difference for long spells, therefor only long spells are affected" vs "difference only shows up in long spells because my measurements can't capture small enough differences when measuring short spells".

Fun part about this is This was brought up to felgarr before he came with this testing.

Bismarck.Radec said: »
I don't believe you can test conclusively this way, based on how the game runs - you'd only receive the 0x28's at ~400ms intervals (packetflow notes), so any difference in cast time smaller than that wouldn't be apparent in a small sample size.

And even then felgars next post with timmings timing clearly show indications of this time resolution issue


Felgarr said: »


The diffrence measure her is 450ms and 330 ms. both values close to the 400ms number when accounts for internet lag and just general variance of sagety margins

and it STILL did not ring a bell for them.
[+]
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By Dodik 2026-08-27 03:55:51
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DaneBlood said: »
We had that PDL addon

You didn't see the other addon that invented a new way to ship remote code execution exploits to users via windower addons, with the only "security" on the accompanying website and closed source backend being an 8 character string of only upper case A-Z and digits, that the author said is fine because they "don't like auth" and that they had an AI add checks for lua code doing "os.remove" on the backend.

Not even making this up.
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By Felgarr 2026-08-27 06:30:57
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DaneBlood said: »
Felgarr is a clear example of not understanding the issues of the topic and outsourced every conclusion to an AI
You're making way too many inferences based on my first post.

DaneBlood said: »
and it STILL did not ring a bell for them.
Grimoire casting time reduction (GCTR) measurements are consistently visible on the wire even with server processing delay and sporadic network jitter. (Source: In a former life, I was VLSI designer for Ethernet PHYs on Dell network cards and motherboards).

Bismarck.Radec said: »
TL;DR: Either of head and feet reduce casting time for White spells not natively learned by SCH.
Both head and feet probably reduce casting time further, but not as much as they should if they were uncapped.

The best fit I can see for this is a cap on casting time reduction from arts and arts gear.
25% fits and is a nice number, but above 50% FC this is indistinguishable from 22% or 23%.

Casting Time = Base Casting Time * (1-MAX(0.25, (Arts Reduction[10%] + Arts Gear[12~25%]))) * (1-MAX(0.8, FastCast))

Bismarck.Radec said: »
Single sample of each:
Teleport Mea again
0% FC, Dark Arts, 0% Arts Gear: 24.202
0% FC, Dark Arts, 12% Arts Gear: 24.297
0% FC, Dark Arts, 13% Arts Gear: 24.09
0% FC, Dark Arts, 25% Arts Gear: 24.194

Enough for me to say no impact if arts do not match the spell.

Thank you for taking the time to conduct this test and using the same measurements that I suggested in my original approach. I couldn't think of a spell with a significantly large base casting time (and I wasn't aware if it was applied on the base casting time or post-FC adjustment. Thanks for clearing up!) but yes, Teleport spells are a great candidate. I didn't feel comfortable using it at first for fear of tainting the test with a spell outside of Scholar's toolkit. I thought that Cure/Firestorm was sufficiently isolating or differentiating, but that was not the case. (For better or worse, I'm always open to the idea that SE has codified something silly/ridiculous from an average gamer's perspective. We're playing a game after all, and there are many 'tricks' SE can implement to create 'difficulty' and nuance in FFXI).

DaneBlood said: »
Fun part about this is This was brought up to felgarr before he came with this testing.
Cool. Hey? ...How about you spend less time trying to denigrate me for actually making an effort to test very old assumptions with no empirical sources? I don't see you lifting a finger to answer questions constructively or dispel 15-year-old uncertainty with facts and data?

Anyway, I think some folks saw the word "Claude" and "AI" and grabbed their pitchforks, instead of asking questions about how my test was formed. It's easy to judge someone for a technicality, because hindsight vision is 20/20.

I tried to explain in my original post that, two friendly Scholars were discussing Fast Cast sets and feet armor came up as a point of contention. We couldn't answer which is 'better' due to many dated, historical assumptions and assertions that arose from that conversation specifically. Many of those questions had no clear answers or sources for their tests either. We were asking these questions to help constrain the test and answer the original question: Which feet armor is better in the Fast Cast set? Unfortunately, it only raised more questions:
  1. Is grimoire casting time reduction -12% (GCTR) greater than FC+8%? (Yes) Could a rounding-error be involved here? (No).

  2. The +3 feet say "Grimoire" but the +4 feet say "Arts" ...could the JP armor text be more accurate? Does that mean GCTR only applies to scholar spells only? (No).

  3. Based on the terminology used, is Arts/Grimoire an obfuscation meant to hide the types of negatively-affected magic (Enhancing, Healing, Elemental, etc). Why? (Because we all know SE rarely gives us something good without also taking something away).

  4. Discrepancies in the original Scholar AF descriptions (old wiki) implying that recast reduction came from AF feet, when recast reduction is actually a property of the activated Arts.

  5. Discrepancies in bgwiki for Peda. Head+3 affects spells affected by Manifestation/Celerity/etc and other stratagems.


As you can see, without empirical sources, any test in FFXI can feel like re-inventing the wheel.
Cerberus.Shadowmeld said: »
good to know. in case someone accidentally leaves their grimoire gear on when they are casting opposite.

Because I have seen it posited before. Because they are separate/multiplicative terms, there is absolutely no amount of fast cast you can equip to overcome the penalty for casting opposite arts spells FYI.

I'm not very good at being concise. But, thank you Shadow, for saying this so succinctly and asking for arts-not-matching-the-spell as a follow-up. This was the foundation of our friendly-scholar disagreement and my reason for testing.

Cerberus.Shadowmeld said: »
Grimoire bonus is not calculated on the base cast time of the spell, it is calculated multiplicatively on the modified cast time of the spell after fast cast is applied.

The reason you would be seeing close to 0.75 cast time on a 5 second spell with capped fast cast is because grimoire has a native 10% reduction built in, so with the acad loafers it is a total additive bonus of 23% (caps at 25%). 0.75s is very very close to the expected 0.78s.

Rec, thanks for conclusively sharing that Grimoire Casting Time reduction on AF feet and Relic head, has no negative consequences in this regard. I'll go ahead and use Acad. Loafers when Arts/Spell match and Peda. Loafers when they don't.
 Cerberus.Shadowmeld
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By Cerberus.Shadowmeld 2026-08-27 08:59:25
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It is important to clarify that Grimoire isn't really looking at a spell and seeing Healing, Enhancing, Elemental, etc.

It is literally just looking and saying Is White Magic/Black Magic/Other.

It only gets granular when you start using strategems that target specific skills like Manifestation, Accession, Immanence etc.