Does this count as an early taste of old age?

Using Thunderbird eggshells in place of Ashwinder eggshells, grinding them up and using them to brew Felix Felicis—this was a possibility Zygmunt Budge had proposed while writing his diary;

Because Thunderbirds were rare magical creatures, and because Zygmunt Budge himself was a Potions master, so-called "improving the success rate" was really neither here nor there to him;

Coupled with Zygmunt Budge's own temperament, he ultimately never obtained a Thunderbird eggshell, much less put the idea into practice by brewing potions with it.

"Ahem! Felix Felicis..." Xenophilius nodded. He was not particularly skilled at Potions, so he simply skipped over the subject. "So that's how it is..."

"But speaking of which, whether it's a 'rumor' or 'it is said,' Thunderbird eggs must still be quite valuable... But how did it end up in England?"

Wizet explained, "The cause of the dragon attack on New York last time was that North American wizards had been smuggling dragons, so they had to pay all kinds of compensation..."

"One of the event organizers happened to own a dragon research facility. After obtaining this Thunderbird egg, he made it the prize for the dueling champion."

"That really was a winding and bizarre journey." Xenophilius sighed. "What are you planning to do with this Thunderbird egg?"

"What to do with it..." Wizet turned his head slightly and happened to meet Luna's upturned gaze.

Looking into Luna's eyes, which seemed to shimmer with starlight, Wizet said, "We want to try hatching it."

When the organizers had brought over the Thunderbird egg, Wizet had used the Magic Eye, together with the Soul Stone monocle, to examine it. There was indeed still life within it.

Luna was also very interested in the exceptionally rare Thunderbird egg. What was more, once the Thunderbird hatched, its shell could still be used