Herag was already very satisfied with being able to reduce magic consumption by 31%.

The current problem lies in the fact that he has a total of nine shield spells.

Even if casting a spell only takes one second, it would still take him a full nine seconds to stack these nine shields on himself.

In real combat situations, there isn't so much time for him to slowly stack shields, with various unexpected developments likely.

He pondered for a moment and asked, "Shenlan, is there a way to cast the nine shield spells in one go?"

Herag asked with a mindset of giving it a try, as Shenlan had absorbed a lot of knowledge from the second level of the library and might solve this problem.

"Analyzing calculations in progress..."

Ten minutes later.

Shenlan: "Through analysis and calculation, it is possible to construct a central-type spell model connecting the nine shield spell models, allowing for simultaneous casting of nine shields."

Herag didn't expect it to actually work; from the information given by Shenlan, it seems possible to deduce a spell model as a bridge that connects the other nine spells.

"Shenlan, begin inferring this spell model."

"Task archived, estimated to take 72 hours, estimated magic consumption 73%."

The long duration required for this task is quite normal, as Shenlan is essentially deducing a new spell by itself.

"I didn't feed you all that knowledge for nothing."

Herag was well aware of how immense that knowledge was; even if an ordinary person read through it, they wouldn't achieve the effects Shenlan could.

The data analysis and calculation ability of Shenlan were extremely terrifying; when the amount of stored data reaches a certain level, it causes a qualitative change.

In the following days, Herag specifically informed Larry that he was doing research over the next few days, then focused on studying and meditating, awaiting Shenlan's inference completion.

Three days later.

"Inference complete, the spell model is as follows."

After hearing Shenlan's prompt, a spell model appeared before Herag.

The spell model was simpler than he imagined; the structure was very simple with very few formulas and parameters.

"So concise."

Herag couldn't help but praise it; this is the charm of data calculation, removing all unnecessary structures.

"Shenlan, simulate the operation of this spell model to test for any issues."

For prudence, Herag did not rush to construct this spell model.

"Begin simulation."

Shenlan quickly began simulating the operation of this spell model, testing to see if it could operate normally and if there were any hidden issues.

Ten minutes later.

"Simulation complete, no issues found after tests."

Only then did Herag feel relieved: "Shenlan, start constructing this spell model."

"Task archived, estimated to take three minutes, estimated magic consumption 1%."

Since this spell model was Shenlan's inference, its structure was already the simplest, making construction rapid.

In Herag's mind, a spell model was rapidly forming.

Unlike other spell models, this one had a line connecting spell models like the Mana Shield and Dark Energy Shield.

Three minutes later, Herag looked at this peculiar spell model structure in his mind and thought: "Have I created something remarkable?"

In his current understanding, he hasn't seen such a spell model, nor even heard of a spell model that can connect to other spell models.

For Wizards, spell models are independent of each other; each spell has its own independent spell model.

"Let's test the effect."

Herag thought for a moment and input a bit of magic power into the central spell model.

Once the magic power entered this spell model, it quickly spread to the other nine spell models.

At that moment, a strange shield appeared on Herag's body.

The shield appeared thin, with its surface being colorful, looking like a child had drawn on it carelessly.

"This..."

Herag didn't expect the spell to manifest such an effect, not looking like any serious shield.

"How to get specific data?"

Without testing, it's impossible to know the shield's strength, but Herag had no means for testing.

He thought it over and went to the backyard, then cast a Small Fireball Technique on an empty plot.

"Shenlan, with this Small Fireball Technique as a standard, establish a new unit, 'degree,' to quantify the attack strength of spells and the defensive strength of shields."

"Recording relevant data..."

Shenlan set the degree unit based on Herag's current spiritual power and the strength of the Small Fireball Technique.

He then cast Magical Missile, Corrosive Arrow, Ice Cone Technique, and Ice Arrow techniques, which Shenlan quickly provided corresponding strengths for.

"Magical Missile 0.6 degrees."

"Corrosive Arrow 0.2 degrees."

"Ice Cone Technique 1.2 degrees."

"Ice Arrow 0.4 degrees."

The strength of the Magical Missile was somewhat unexpected to Herag, but a second thought clarified things.

Being specialized in the Dark Energy Element, the strength of the Magical Missile he casts would be higher.

The strength of attack magic is easily tested, but the strength of shield spells is less straightforward to test.

Currently, there aren't many people in the Northern Forest Region, and finding someone to attack oneself randomly would seem bizarre.

"Shenlan, can you estimate the defensive strength of the shield?" Herag thought it over and could only have Shenlan estimate it, which shouldn't be too far off.

"It can be estimated," Shenlan replied.

Herag: "Estimate the strength of my current shield."

"Calculating..."

"After calculation, the estimated strength is 18 degrees."

Herag raised an eyebrow: "18 degrees, indeed that high."

He had a hunch the shield would be strong, but didn't expect it to be this strong.

18 degrees means that the Small Fireball Technique would have to hit continuously eighteen times to break his shield.

A typical Third Class Wizard Apprentice couldn't possibly cast the Small Fireball Technique eighteen times in a row, and if the apprentice's spiritual power is lower than Herag's, it may require more than twenty times.

"Very good." Herag was very satisfied with this shield's effect.

"Shenlan, name this spell... Absolute Defense."

"Naming complete."

Herag felt the name was quite fitting; he observed the spell model of Absolute Defense and felt it could still be further expanded, being a spell model with extensibility.

This means that if Herag can learn more shield spells later on, he can further enhance the strength of Absolute Defense.

Despite having Absolute Defense, Herag still remained vigilant.

He clearly understood that this shield was indeed hard for Wizard Apprentices to break.

But for Official Wizards, Absolute Defense might shatter with a touch.

Once out on missions, it wouldn't just be Wizard Apprentices to face; he would still need to be very cautious.

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