Xia Duo summoned these alliance mages for no other reason than to assist him in completing a large-scale spell - [Peak Cutting Technique], which was a newly invented spell in the Seven Towers in just a few years.
When he first built a war spell platform like the Floating City, Seven Towers also wanted to follow up quickly. However, the Seven Towers' idea for building the floating city was not to convert materials, but to directly intercept the mountain peaks and turn them upside down as the base of the floating city.
This can effectively save time, and there is no risk of the transformed material being reversed. For example, in Xia Duo's Chang'an City, the azure stone transformed by pure water will have unstable physical properties for at least several months.
During this period, as long as anyone casts [Dispel Magic] on the stone, it is possible for the stone to turn into water again, and this is the ancient knowledge obtained by Xia Duo's analysis of the [Saruq Witch Snake Statue] (actually a fossil)
Transmutation spells.
Far more effective than the spells of the current era, most of the modern spells used to transform materials cannot be permanently transformed. Even if they can, it will take tens or even hundreds of years of precipitation.
For example, the stone bridge to the west of Savile Town was originally transformed by magic. It was formed into one piece as proof. It took nearly thirty years for that bridge to become truly stable.
Magic] becomes its initial transformation raw material.
If it was just a bridge, thirty years would be nothing. After all, few people would be interested in a bridge and would attack it specifically. But if it were a strategic weapon like the Floating City, it would always be in the sight of all countries.
Naturally, this also includes enemies from Netheril or the Seven Towers.
Therefore, Sha Duo can completely understand what the Seven Towers did originally, but the Seven Towers will undoubtedly lead to a bad start. With the popularity of Mythra in the future, I am afraid that every great arcanist will want to build his own floating city.
By then, no matter how many mountains there are in Netheril, there won't be enough to cut through, and this natural environment is easy to destroy, but extremely difficult to repair.
So Xia Duo teamed up with others to persuade the Seven Towers to withdraw on the grounds of sustainable development. This matter was complicated and was not as simple as attacking the Seven Towers or sustainable development. It also involved the issue of the ownership of the three dimensions of Sweet Water.
As for the issue of the legitimacy of the Seven Pagodas' governance, the Seven Pagodas finally compromised on this aspect, gave up the plan to intercept the peaks, and returned and repaired the intercepted peaks.
Of course, Xia Duo also made compromises, such as providing more advanced transformation material spells than the current main plane, so that the Seven Towers could complete the foundation construction of the floating city.
And [Peak Cutting Technique] was also obtained at that time.
This is not a conventional spell. Before today, Xia Duo didn't even think that he would use this spell one day, but such a need did arise.
This spell is undoubtedly a 10th level spell, reaching the limit of the magic network, but this is not the limit of the caster. There can be spells equivalent to 11th level or even higher above this.
The same is true for [Peak Cutting Technique], which can be improved as needed.
What Sha Duo is preparing now is an equivalent 11th-level spell. The magic network cannot directly provide the strings of the magic network used to construct the 11th-level spell, but needs to be equivalently expressed through the tenth-level elements.
Similar to 11, it can be written as 10+1, but by raising the spell by one level beyond the limit of the magic network, the difficulty of casting the spell is much more difficult than a normal 10th level spell.
Depending on the spell, the difficulty may only be increased three times for low-level spells, but may be more than ten-fold for greater spells.
This also means that the equivalent spell level cannot be increased without limit. At least at the level of manual spell casting, there is an operating limit that can be roughly estimated.
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However, if the spell is cast by machine, there is no such restriction.
For example, war spells are more flexible if cast manually, but they require a group of mages to undergo long-term training, which is extremely costly.
Although it is relatively rigid to activate it through war magic weapons, the power of war spells themselves exceeds the ability of individual spellcasters to resist. Generally speaking, war spells can only be used against war spells.
In this case, even if it is a war spell inspired by a war weapon, as long as the opponent does not have an equal existence, it will not be much different from the one cast manually. They are all crushing level beings.
But in the future, the equivalent spell level will almost certainly exceed the limit of manual spell casting. By then, the war may really be decided by one weapon.
But now, 11th level or even 12th level is not the limit of manual spell casting. Even without using coordinated spell casting, it is possible for only one spell caster to complete these spells.
For Xia Duo, with his current spell-casting ability, he can indeed complete this [Peak Cutting Technique] alone, which he has never even practiced before, but it only requires a huge amount of energy on his part.
And during this period, he had no time to pay attention to things other than casting spells. This was not in line with his plan, so he had no choice but to ask for help.
As long as there are enough people to help, coordination work is done at the same time, and redundancy is arranged, he can easily focus on things other than casting spells. Currently, most high-level mages in Netheril use this mode for daily experiments.
It's just that Xia Duo now asks the Alliance Mage and the Everrisk Mage for help, while most Nese mages provide voluntary help to their teachers from the apprentice stage, and after they accept the apprentices, they start to ask the apprentices to help voluntarily.
Just focus on passing on the fire from generation to generation.
In the most extreme case, the leader of collaborative spellcasting can assign more than 90% of the spellcasting tasks to the assistants. He only does a series of summary work, which can really save a lot of energy and conduct more experiments.
So just looking at how many disciples a Nese mage has does not mean how enlightened the person is. Maybe his apprentices are all his spellcasting supply packs!
Xia Duo is not pursuing the ultimate limit now, but he has also allocated more than 50% of the spell-casting tasks to other mages. This is almost a reasonable ratio, which is equivalent to reducing the difficulty of spell-casting by nearly half.
If you want to increase the ratio, the leader and the auxiliary equipment need to have a good understanding of each other.
Generally speaking, 50% is already a state of tacit understanding between teachers and students. The biggest shortcoming is that the apprentice's own spellcasting ability is very limited.
The Alliance Mage and Evereska Mage that Shado chose this time are each at least elite mages, and they are all mages under the elf magic system. It is easier to achieve a synergistic state than the Nese Mage.
Coupled with the assistance of the spiritual link state of Lingsi Network, Xia Duocai directly set the ratio of 50% outsourcing for the first time he dared to cast a spell. If it were a group of Nese mages, he would not dare to do this.
…
After briefly testing the synergy effect, during this process, Xia Duo has used the computing power pool to complete the decomposition of [Peak Cutting Technique] and set up sufficient redundancy.
The synergistic effect of this group of elf mages really exceeded his expectations. As long as no one deliberately caused harm, this joint spellcasting would definitely be successful!