Weasley is our king at Hogwarts

Professor Charles led the little wizards downstairs to a green lawn under the castle. The little wizards huddled together and looked at Professor Charles standing on the lawn.

"We just mentioned that we will teach the Smoke Screen Curse today, so what about the application of this spell..." Professor Charles still taught the Smoke Screen Curse to the young wizards who were progressing normally. The basic explanation was the same as that given to Fred and last week. It was almost the same time when George started the small stove, so Fred treated it as a review and listened to it again carefully.

At this time, the lawn was already filled with smoke!It was like smoke bombs were thrown everywhere, it was gray!

Basically, I can only see clearly things within 1 meter, and there are coughs coming from all directions.

Fred and George had fun watching other students cast smoke spells, because someone always made a mistake, and from time to time magical things would fly out of the smoke, such as a rabbit, a mouse, and even a brown one. The slippers were thrown out with a curse.

About half a class later, Professor Charles came to Fred and George after instructing all the little wizards. He said, "Did you see these thick fogs? Although I told you in the last class that when encountering danger, You can try to use smoke screen spells to confuse the enemy's vision and increase your winning rate, but the enemy can also use it, and you may be in a stalemate at this time."

"If you have companions together at a distance, or you know there will be companions to rescue you, but in this case it will be very difficult for them to find you, and it is also very dangerous for them to rush into the thick fog. This At that time, you have to tell them where you are, and what kind of spell do you think should be used to make your companions find you quickly?" Professor Charles asked the question.

Fred found that Professor Charles liked to let students think for themselves instead of giving direct answers. This could be seen from the fact that Professor Charles always asked questions when he taught him three different spells.

Fred recognized Professor Charles more and more. He was a good professor with a good personality and could distinguish right from wrong.

Regarding the question raised by Professor Charles, Fred could only think of sounds and bright lights, so he looked at Professor Charles and replied, "I think there might only be bright lights? I originally wanted to say sounds, but if my partner If you are too far away, it will be useless no matter how loud you shout, but the light is different! The penetrating ability of light in dense fog is very strong! Especially red, green and yellow."

"Very good! Fred, you are really smart! But how do you know that red, green and yellow are the most suitable? Have you done any research?" Professor Charles looked at Fred with curiosity.

"Ah... this is because I happened to know from a book that in the Muggle world there is a kind of light on the street. This kind of light is used to guide the passage of vehicles. The vehicle I am talking about is similar to our flying broomstick, and This kind of light specially uses three colors: red, green and yellow, because after Muggle research, these three colors can have the highest visibility in hazy weather." Fred had to find an excuse to cover up.

"I see. The Muggle research results you mentioned are similar to the research success in our wizarding world. It seems that the wisdom of Muggles cannot be underestimated." Professor Charles nodded thoughtfully.

After a few seconds, Professor Charles responded, "Okay, now that you know how to solve it, I will start teaching the magic spell. The next thing we will teach is red sparks and green sparks."

"For example, the red spark spell is to emit a red beam from the tip of the wand. Wizards usually use it to ask for help in critical moments, while green is the opposite, and is used to signal peace." Professor Charles explains what the next two charms do.

"The only difference between these two spells is that the spells are different. The spell of red sparks is 'dangerous', while the spell of green fireworks is 'safe and sound'. The gestures of the two spells are exactly the same, which is simple. When waving, you should be careful not to swing the wand too much." Professor Charles said, waving his wand.

"So simple?" Fred couldn't believe it.

"It's that simple. After all, these two magic spells are used to report signals. If they are too troublesome to cast, they are not suitable." Professor Charles spread his hands and said.

"Yes." Fred nodded. In dangerous moments, seconds are very important.

Professor Charles said as he walked into the thick smoke, "Next, let's verify whether it works in smoke."

"Dangerous!"

"safe and sound!"

"call out!"

"call out!"

Professor Charles's loud voice came from the thick fog.

In an instant, a dazzling red beam of light rose from the thick fog, followed by a green beam of light, shooting straight into the sky!

"Snapped!"

Finally, the red beam exploded with a loud bang in the sky.

"Bang!" followed by a green beam of light.