Erwin smiled and said, "Don't worry, Godfather. I cherish my life very much! If there is any danger, I will definitely come back as soon as possible!"
Snape nodded: "Just keep it in mind. As I said before, don't take risks!"
Snape was still a little worried and gave Erwin another warning.
Erwin nodded: "Okay, okay, I understand, Godfather! By the way, Godfather, I have a notebook, can you help me take a look?"
As he spoke, Alvin took out the notebook that looked like Hufflepuff's and handed it to Snape.
Snape took it and glanced at it.
His eyes widened instantly. “Such comprehensive knowledge of herbal medicine. Where did you get this from?”
Erwin said, "I found it. Godfather, do you think it's possible that this is Professor Sprout's notebook?"
Snape thought for a moment and shook his head. "Probably not. Although Professor Sprout is the Head of Hufflepuff House and has reached the limit in the field of herbal medicine! However, you should also know that every Potions Master and Herbal Master has their own unique methods!"
"The same goes for Professor Sprout. You haven't had much contact with Professor Sprout, so you probably don't understand her! But we've worked together for many years, and I often need Professor Sprout's herbs to brew potions, so I do know some of her special techniques!
"Look here. The method of processing the lantern grass in the notebook is completely different from Professor Sprout's method. It's hard to say which is stronger or weaker. In the end, both will produce a complete lantern grass, but the method in this notebook can make the lantern grass more complete, even preserving the easily damaged rhizome!"
Erwin said, "So, the owner of this notebook is better than Professor Sprout in herbology?"
Snape shook his head. "Not necessarily. I can only say that in some places it is better than Professor Sprout's. However, some of the techniques in this notebook are quite old. As time passes, the wizarding world has already developed better methods! Many of these methods were discovered by Professor Sprout. It's hard to say which is better!"
Snape closed his notebook.
"This notebook of yours, isn't it Helga Hufflepuff's?"
Erwin spread his hands. "I'm not sure, but after hearing what you said, Godfather, I think it's very likely. Even if he's not from Hufflepuff, he must be a very old student of Hufflepuff House. After all, you said that many of the techniques recorded here are very ancient!"
Snape nodded. "How much of this notebook do you know?"
Erwin said, "It's strange. I've clearly finished reading it and I'm confident I've memorized all the information in it, but every time I reread the contents of this notebook, I gain new insights!"
Snape said, "Then this notebook must really belong to Hufflepuff. There's a legend at Hogwarts that Hufflepuff once said that knowledge is endless. When you think you've mastered a piece of knowledge, you'll gain a different understanding if you study it again!"
Erwin took the notebook and put it away.
"However, I still don't understand the significance of this notebook. I guess it has something to do with Hufflepuff's heritage, but I don't have the slightest clue!"
Snape said, "Don't worry. You're so talented. If the Hufflepuff legacy really exists, I think you'll definitely get it. Since this notebook always brings you new insights, study it carefully! Even if it's not for the Hufflepuff legacy, it's for increasing your own knowledge!"
Erwin nodded. "I know, Godfather! It's getting late, I'll be leaving now!"
Snape nodded: "Well, be careful on the road!"
Erwin raised the corners of his mouth and gave Snape a reassuring smile.
Then he disappeared from the spot by Apparition.
In Diagon Alley, in an office on the top floor of Cavendish Building.
Alvin called Old Tom over and assigned him some trivial matters.
Then he told old Tom about his plan to go out to sea.
Old Tom was very worried.
But he also knew that no one else could change what Erwin decided.
In the evening, Erwin appeared at the beach.
There is already a ship waiting for Erwin here.
Old Tom prepared it in advance.
There were also a dozen or so members of the Cavendish family on board.
Erwin called over the captain of the Cavendish family.
The captain walked into Erwin's lounge.
"Owner!"
Erwin nodded.
Then he took out two maps from the space ring.
"Compare these two maps. I've marked my guess at the location of Blessed Island, but I've never been out to sea, so I don't know if it's correct. Take a look!"
Erwin is not a man who pretends to know something when he doesn't.
He had indeed never been to sea and didn't know anything about things at sea.
It is clear that none of the captains and sailors specially trained by Cavendish understand this.
Let’s be realistic, if you gave Erwin a sea chart right now, he probably wouldn’t even look at it.
So professional matters are left to professionals, and Alvin never tries to be stubborn.
The captain took the map and took a look at it.
Then he placed the two maps on the table, picked up a pen from the side and wrote and drew on the maps.
Erwin didn't rush.
Erwin didn't know where the Blessed Island was.
But he thought of the simplest solution.
That is to believe in science.
The shipping industry is now very developed.
So Erwin simply used the shipping industry to search.
The reason is actually very simple.
The route taken by Grindelwald and Old Robert to the sea, and the wind direction at the time, their ships and other factors were taken into consideration.
Let professionals calculate it.
Calculate their approximate direction and range.
Finally, we found the overlapping locations where the Blessed Island appeared twice.
That must be the Blessed Island.
Alvin also asked old Robert and Grindelwald about this information.
All of this is now recorded on the map.
The captain leaned over the table and began to calculate in detail.
About an hour passed.
The captain straightened up.
Erwin turned around and asked, "How is it?"
The captain hesitated.
Erwin said, "Just say whatever you want to say, don't worry about anything!"
The captain bowed. "Yes, sir. Based on my calculations and the information you provided, I've discovered that there doesn't seem to be any overlap between the two locations. The places you marked on the map appear to be overlapping at first glance, but upon closer inspection, that's not the case. The longitude and latitude don't match!"
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