"Expecto Patronum!" Young Dumbledore waved his wand, drawing a circle in front of him.
A silver Phoenix Patronus flew from the tip of his wand, beat its wings, and shot high into the air. It swiftly adjusted its wings above, then dived toward the space opposite Young Dumbledore.
On the other side of the silver-glowing Magical Energy Field stood a tall, thin figure draped in a cloak;
It floated in midair, its exposed gray-white skin slick with mucus, giving the impression that its flesh was rotting. It was unmistakably a Dementor.
The Phoenix Patronus attacked the Dementor, its long beak stabbing viciously at it, then it quickly shifted position and raised its sharp talons to claw at the Dementor again.
The Magical Energy Field was also formed from the Patronus Charm. The Dementor had long since had nowhere to retreat, and could only struggle in vain, doing its best to avoid the phoenix's talons and long beak.
"It seems the same..." Young Dumbledore said thoughtfully. "Let's try something else..."
He lightly waved his wand, and the Phoenix Patronus dispersed with it.
At that moment, the Dementor probably wanted nothing more than to flee. It circled around the Magical Energy Field, trying to find an opening it could use to escape.
Young Dumbledore glanced at the Dementor, raised his wand to his temple, and finally began muttering under his breath, as if changing something.
Vizet could tell that Young Dumbledore was casting Mental Magic;
As for exactly what he wanted to alter, Vizet could only infer from the existing situation—by casting Mental Magic, Young Dumbledore wanted to change the Patronus's form.
The reason Vizet made this judgment was that he could do the same thing himself;
A Corporeal Patronus manifested in this way usually required preparation in advance, and it also