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"When preparing a magic potion, you cannot completely determine the dosage of herbal medicines, because not all herbal medicines contain exactly the same amount."

Hermione said to Locke: "This is the only explanation Professor Snape gave me when I asked about it. He said that because of this, when making potions, should one herb be more or less? It just takes intuition.”

"Is that so?" Locke looked thoughtfully at the herbs in his hand.

He can sense the content of some of these substances through magic power, but because these substances contain magic factors, the amount of magic power also affects the effect, and modern precise measuring instruments cannot measure it well.

"It seems that it's not that wizards in this world are closed off and don't know how to adapt, but that some modern medical experience cannot be fully applied when it comes to potions."

Locke finally said to Hermione: "Unless a set of tools are invented that can measure the properties of magic herbs, and then accurately tested using these tools, it will be possible to standardize the refining of magic potions.

Before there was such a measuring tool, all potions masters could only rely on intuition to prepare potions, as Snape said, whether a certain herb should be added more or less.

In addition, the size of the heat of the crucible and the method of mixing and adjusting the potion all rely on intuition. No wonder it is always said that potion mastering is a science that values ​​talent. "

Based on scientific thinking, Locke can think of a way, which is to make some magical equipment that can detect the medicinal properties of herbs.

For example, by improving the existing scale, when weighing herbal medicine, it can not only measure the weight of the herbal medicine, but also detect the medicinal properties contained in the herbal medicine.

There are also improvements to the current crucible in the magic world, which can automatically control the temperature and heat, and finally add a stirring rod that has been set in advance and can operate according to the corresponding program for automatic stirring, etc.

With these things, in theory, you can get rid of the so-called intuition and perfectly make the corresponding potion.

If this idea succeeds in the end, then anyone can make perfect potions, which means that some ordinary potions masters will be unemployed, and only some potion masters, or potion researchers, will focus on researching new formulas.

But such work obviously cannot be completed in a short time. One or two potions are fine, but a huge number of potions requires a lot of tedious work and repeated experiments.

Locke could only list the standardization of potion preparation as a long-term task and devote more time to the books in the library.

You must first expand your knowledge and master more magic knowledge before you can better develop and research magic. This is just like studying the most profound mathematical problems, which requires a lot of pre-requisite mathematical knowledge.

The magic in the Harry Potter world is more comprehensive and systematic than the magic that Locke has been exposed to before. This also prompted Locke to continue reading the magic books here one after another, including them in the dimension space, and increasing his own heritage.

In addition to reading, Locke also spent a lot of time practicing various spells. In addition to normal magic, there were more silent spells and wandless spells.

Firstly, it is to exercise one's ability to control magic, and secondly, it is to avoid encountering some extreme situations.

He had an intuition that as long as he fully mastered the magic of this world, it would be of great benefit to him in the future.

In fact, in the process of learning the magic spells of this world, Locke also solved some doubts from his previous life, mainly about black magic.

"The power of magic depends not only on the spell itself, but also on the control of the spell, that is, the control of mental power."

Locke said to Hermione: "You should have read the book I asked you to read."

He pointed to the book "Controlling Emotions and Stabilizing the Foundation of Charms" in Hermione's hand.

"I've already read it," Hermione said, "It's mainly an analysis of the impact of emotions on spells, and it also talks about the impact of positive and negative emotions on wizards.

The papers in the book mainly talk about the relationship between emotions, spells, and the character of wizards.

It also records calming spells that can reverse negative emotions, as well as several spells that can produce positive emotions such as joy and happiness.

When we were taking magic defense class, the teacher also said that strong emotions can enhance the effect of spells. "

"When most wizards control magic, they use emotions to control spells, but after my research, this is actually an application of mental power."

Locke said: "Strong emotions are accompanied by stronger mental power, so they can achieve the effect of enhancing magic power.

But according to my research, if your mental power is strong enough and your control over magic is high enough, there is no need to specifically use emotions to enhance or drive the magic spell. "

After a pause and letting Hermione digest the theory, Locke continued: "You should have heard of black magic. Every student must take a Defense Against Dark Arts class. Why do you think a magic is called black magic? "

"Because those spells are fatal or can cause injuries that are difficult to heal." Hermione answered without thinking.

"That's not the case. Many ordinary spells can actually have a fatal effect, but these spells are not classified as black magic."

Locke said: "The reason why these magics are classified as black magic is actually because these magics need a prerequisite to be released, and that is malice."

"Malicious?!" Hermione was slightly startled.

"Yes." Locke nodded: "Every time an ordinary wizard uses these magics, he needs to be driven by enough malice to be able to release them successfully.

Combining the theories in this book, you can deduce it.

Once a wizard uses black magic frequently, over time, these magics will in turn affect the wizard's own character, making the wizard's character become twisted and evil. "

"I see." Hermione nodded thoughtfully, and then seemed to think of something: "In other words, as long as the mental power is enough to be controlled, you can use black magic without being affected by Tao, right? ?”

"Theoretically, this is true, but if you want to have enough mental power, you need to continue to practice meditation." Locke said: "So you can't relax at all in meditation. It is a required course every day. You understand. ?"

This theory was only figured out by Locke after he learned more about the magic system in the Harry Potter world. The black magic in this world does have its inherent flaws.

The wizards in this world have no way to actively exercise their mental power and condense their magic power. They can only passively enhance their mental power and magic power in the process of constantly practicing magic spells.

This situation makes many magics in the Harry Potter world related to emotions, and many special spells have been developed based on this, but it also creates the difference between black magic and ordinary magic.

Wizards passively improve their mental power and magic power, and the efficiency is naturally not as good as the meditation method that can actively exercise and improve. It is precisely because of this confidence that Locke has gradually begun to come into contact with black magic recently.

Among them, what interests Locke the most is the Fire Curse and Hellfire Protective Curse mentioned in the plot.