Gram Demolition and Dispersion

[TriDent14]

Heya guys, not long ago discovered this forum and started reading Mahouka.
First of all, I want to sat that It's awesome!
Currently, I am in the middle of volume 10 and wanted to ask and clarify(?) a few things.
1.Although it's basic, I still a little confused about the difference bewteen activation sequence and magic sequence. If I understood it correctly, Activation Sequence
is the "data of the magic" and when you input ur Psions into the CAD and it gets processed the output is the magic sequence whic is the magic itself(example thudner magic
when the thunder is manifested and moving towards the target its magic sequence?)?
2.The real reason I registered right now lol to ask this question lol.
What is the difference between Gram Demolition and Gram Dispersion? As I understood Gram Demolition is a block of Psions that can stop the magic at
any stage but the requirement for it is to make contact with the magic and erase all the data recorded in it.
Gram Dispersion is when you directly erase parts of magic sequence or activation sequence.
Anyway can both of them stop the magic before and when it already activated?
As I understood Gram Dispersion is more efficient cause in the battle with Masaki it was said that if he was using Dispersion he could have blocked all the 16(if i am notwront)
shots while with demolition he managed to block only 12. So does it mean Dispersion>Demolition? Or does it depend on the situation and both of them have advantages
and disatvantages? Cause as I understood Dispersion is superior but he sometimes uses Decomposition even when he doesnt need to keep it clasified.
I read the wiki and such but I really want to understand it more.
If someone can explain it to me please explain I will read it.

And please remember currently I am reading volume 10 so please avoid giving me spoilers and if it will be explained in more detail later let me know.

[nr42]

Volume 4 p000001:
Magic Dissolution (Gram Dispersion) This magic takes a Magic Ritual and decomposes it into a group of Psion particles without a meaningful structure. Due to the nature of a Magic Ritual acting on the information of an object accompanying a phenomenon, if the information has not been exposed, it is impossible to interfere with the magic. On the other hand, if the Magic Ritual is decomposed, the phenomenon will not occur. To analyze the magic before the magic is activated in the present age where invocation takes a fraction of a second requires the ability to [See] and analyze the magic structure. Since the user is typically required to understand the magic being used beforehand, it is thought utilization of this magic is impossible.
Magic Dismantling (Gram Demolition) A mass of compressed Psion particles are thrown directly at an object and explode. Any Activation Sequence or Magic Ritual recorded into the Psion Information Body is blown away. Though it is called magic, it is simply a cannonball of Psions that has neither structure nor a Magic Ritual to modify an event, so it is not affected by Zone Interference. Furthermore, the pressure of the cannonball also repels the effects of Cast Jamming. It has no physical effects and cannot be hindered by any obstacle.

To sum up:
Gram Demolition: I see you using magic -> i trow a big pile of Psions on it -> Magic kaput
Gram Dispersion: Not only do I see that you're activating a Magic Sequence, but I can also read the structure through the Eidos and decompose it. Therefore I am using Decomposition on the Magic, and since I can Decompose multiple things at the same time, I can do it on, say, 16 air bullets.

[Zuruumi]

Well to put in compleatly easy to understood (and non-technical) terms.
Imagine you have a hut from wood (in this case the magic) and you want to destroy it. If you use Dispersion (wasn´t it called Mist Dispersion?) it is like going to the hut and dismantling it (you just take one board after another and remove it till nothing remains or it falls down) while using Gram Demolition is like taking a truck, getting it to something like 150 km/h speed and directly ramming it to the hut, you don´t have to understand anything and you may use it even on a pile of sand (for which removing one grain after another is impossible) but it of course takes extreme amount of energy, so it is more exhausting and takes a bit longer to prepare for it.

[nr42]

Mist Dispersion is basically the same thing, but atoms instead of on psions.

[Mahesvara]

I believe Mari described Gram Demolition best, as a brute swinging his club. It completely destroys a Magic Sequence but only one at a time. Using Zuruuumi's example, Gram Demolition is blowing up an entire house one at a time while Gram Dispersion is taking out multiple house's support structures at one.

[TriDent14]

Guys, thanks for your answers!
So basically with Gram Demolition you have to shot a block of Psions on each target while Gram Dispersion allows you to delete parts of magic sequences and
instantly get rid of the magic and if it's multiple magics it can get rid of all of them at the same time? So Gram Dispersion is undoubtedly better than Demolition, correct?
If so, why sometimes he still uses it when he doesnt have to conceal his abilities?
And what about question number 1? Can any 1 answer it?

[Guest2]

From V1c2(Systematic Magic)
Magician picks a spell that is stored as electronic data on CAD's hard drive > Magician feeds psions into CAD > CAD converts psions and produces spell blue print(activation sequence) > The Magician absorbs the activation sequence produced by the CAD > The magician imagines what they want to happen or imagines additional specific variables and their subconscious automatically expands the activation sequence to include the final details and produces a magic sequence > The magic sequence targets and alters the eidos > Realty starts to reflect the changes in the eidos.


Gram Dispersion is stated in v2c11 as being able to disassemble both activation sequences as well as magic sequences. Gram Demolition can also blast away any type of sequences it targets.


Both Gram Dispersion and Gram Demolition(see V3c4) can disrupt multiple spells. But Gram Demolition requires a hell of alot more psions to produce the same effect as Gram Dispersion. Unless you are using precise psion sniping like Mayumi in V1, Gram Demolition would likely causes additional harm to the target magic caster if used to destroy activation sequences, according to details in V1c2.

So Gram Dispersion is undoubtedly better than Demolition, correct?
If so, why sometimes he still uses it when he doesnt have to conceal his abilities?

What scenes are you referring to? The only time he doesn't have to try and conceal his abilities is when he is fighting with the 101 wearing a mask. Tatsuya normally tries to hide his Decomposition magic Gram Dispersion but normally uses it in all his real fights because it is superior due to efficiency.

[nr42]

Both Gram Dispersion and Gram Demolition(see V3c4) can disrupt multiple spells. But Gram Demolition requires a hell of alot more psions to produce the same effect as Gram Dispersion. Unless you are using precise psion sniping like Mayumi in V1, Gram Demolition would likely causes additional harm to the target magic caster if used to destroy activation sequences, according to details in V1c2.

Mayumi isn't capable of Gram Demolition, her psion count is too low. She mimics it by firing a psion bullet into the activation sequence. That's what makes it dangerous. And she cannot destroy a magic sequence once the activation is complete.

[Zuruumi]

By the way Tatsuya can´t use dispersion on anything that he is unable to analyze, therefore if thetechnique used against him is either without any pattern (like vol12 in the fight) or he is because of other reasons unable to analyze it (Lina´s magic concealing her form or the vampires had something similar) he has to use another magic against them, of which Gram Demolition (while technically not being a magic) is one of the best
It is the same principle as with the truck. If you have to detroy a pile of sand you can still ram it with the truck and it is ok, but try removing just a part of it, there will be no use, it has no tructure you can destroy by this.

[Guest2]

Both Gram Dispersion and Gram Demolition(see V3c4) can disrupt multiple spells. But Gram Demolition requires a hell of alot more psions to produce the same effect as Gram Dispersion. Unless you are using precise psion sniping like Mayumi in V1, Gram Demolition would likely causes additional harm to the target magic caster if used to destroy activation sequences, according to details in V1c2.

Mayumi isn't capable of Gram Demolition, her psion count is too low. She mimics it by firing a psion bullet into the activation sequence. That's what makes it dangerous. And she cannot destroy a magic sequence once the activation is complete.

Read more carefully, I never posted she could use Gram Demolition, and the novel does actually state she can use her precision counter magic against magic sequences in V3c4.

By the way Tatsuya can´t use dispersion on anything that he is unable to analyze, therefore if thetechnique used against him is either without any pattern (like vol12 in the fight) or he is because of other reasons unable to analyze it (Lina´s magic concealing her form or the vampires had something similar) he has to use another magic against them, of which Gram Demolition (while technically not being a magic) is one of the best....

There really is nothing he cannot analyze, though finding the leisure to do so in a pinch does limit Gram Dispersion and makes Gram Demolition a better option as seen in V13. The novel states he could have analyzed Lina as well if he was given a chance to safely abandon his 5 senses. The 'armour' Tomitsuka had was analyzed, but since it was just a weird birth defect and not magic or an actual technique, his decomposition counter-magic had nothing to work on.

[dvc]

By the way Tatsuya can´t use dispersion on anything that he is unable to analyze, therefore if thetechnique used against him is either without any pattern (like vol12 in the fight) or he is because of other reasons unable to analyze it (Lina´s magic concealing her form or the vampires had something similar) he has to use another magic against them, of which Gram Demolition (while technically not being a magic) is one of the best....

There really is nothing he cannot analyze, though finding the leisure to do so in a pinch does limit Gram Dispersion and makes Gram Demolition a better option as seen in V13. The novel states he could have analyzed Lina as well if he was given a chance to safely abandon his 5 senses. The 'armour' Tomitsuka had was analyzed, but since it was just a weird birth defect and not magic or an actual technique, his decomposition counter-magic had nothing to work on.

You do know that us poor mortals that don't know japanese don t know what happens in vol 13, so if you are going to use it the least you could do is properly explain what you are talking about.
About the grams so far, the only possible advantage that gram demolition might have is that it might be faster to cast(tats doesn t have to analise) while gram dispersion can decompose any magic or activation sequence independently of the other magician interference strenght. So to me it is a comparison between velocity versus power needed to destroy the magic and activation sequences.

About lina i am pretty sure that what he might do If he abandoned his 5 senses is to find/target lina when she is using ilusion magic repeatdly because he does indeed use gram despersion on parade.
And tomitsuka's prob is that he simply can t decompose his defense because it is made by free psions (not organized in anyway) kind of like a dense cloud. So there weren t any connections between the psions to decompose.

[Zuruumi]

Just to correct a small misunderstanding, gram demolition is (at least for Tatsuya, well not that anybody else could use the other one) a lot slower than Gram Dispersion

[dvc]

Just to correct a small misunderstanding, gram demolition is (at least for Tatsuya, well not that anybody else could use the other one) a lot slower than Gram Dispersion

If it slower what is the advantage of gram demolition over gram dispersion?

[Gohankuten]

Just to correct a small misunderstanding, gram demolition is (at least for Tatsuya, well not that anybody else could use the other one) a lot slower than Gram Dispersion

If it slower what is the advantage of gram demolition over gram dispersion?

The fact that he doesn't have to hide the ability since other people can use Gram Demolition.

[jeffjeff]

The fact that he doesn't have to hide the ability since other people can use Gram Demolition.

This... Gram demolition is known by many and he isn't the only one who can use it.
Gram dispersion on the other hand is not.

Think about how much attention it would bring to him if everyone found out he could use Gram Dispersion (definitely not in the Yotsuba's plans). I think this is the reason why he played it off as mist dispersal (not sure if the name is correct, but the one that breaks down molecules rather than the information) when he had 16 air bullets flying at him