Vizet thought of that method. If it failed to make Voldemort show himself, then Voldemort really should have left.
With that in mind, he came before Dumbledore and said, "Headmaster Dumbledore, may I ask Fawkes to do something?"
Before Dumbledore could speak, Fawkes the phoenix had already flown over, landing gracefully on Vizet's shoulder and letting out a pleasant, soft cry that expressed agreement.
Dumbledore smiled and shook his head. "It seems I don't need to answer. If there's something you'd like to say, just say it directly to Fawkes!"
When Vizet and Luna were in the Forbidden Forest, they would occasionally run into Fawkes the phoenix out foraging.
Because of that, he and Luna would keep some berries on hand, so that whenever they met Fawkes, they could feed him in time.
"Fawkes, may I ask you to shed some tears?" Vizet took a few berries from his pocket. "I hope you can help heal those Aurors' injuries, and those prisoners as well."
Fawkes the phoenix showed no suspicion at all. He nodded in an almost human way, swallowed the berries Vizet handed him, then spread his wings and flew toward the Aurors.
Dumbledore raised his wand toward Fawkes the phoenix and conjured a dark cloud.
The dark cloud seemed almost alive, following very nimbly beneath Fawkes.
After finishing all this, he turned to Vizet and asked, "Vizet, it seems you also think he hasn't left?"
"No matter what, it's better to be careful," Vizet replied. "Especially against an opponent like Voldemort. After all, something similar happened before..."
"Indeed..." Dumbledore blinked. He had also thought of Voldemort devouring Tom Riddle's Soul Fragment. "What do you plan to do next?"
Vizet explained, "I asked Fawkes to help so that everyone's injuries can recover. That way, we can reduce the variables