The Dementors had Patronuses to contend with, their absolute nemeses.
The wavering barrier of light had also received a fresh supply of magic and had more or less stabilized.
"Long time no see, Diggory." Su Er rubbed his wrist, taking a brief rest as he walked over to Cedric, who held his wand high to maintain the flow of magic.
"Su Er? Am I seeing things? Weren't you-" Hearing the familiar voice, Cedric turned his head in surprise.
"It's a long story." Su Er shook his head. "Anyway, I'm all right. How did you get here?"
"The Ministry of Magic. The fireplaces at the Ministry can connect directly to Hogwarts," said a somewhat older-looking wizard beside Cedric. He looked very excited.
"But wasn't the Ministry-" Tonks, who happened to be nearby, gathered her hair into a neat ponytail and asked in bewilderment.
"You'll never guess. Just a little while ago, a group of old men, led by an old lady, swept away the forces Vol... the Dark Lord had left behind. They were so powerful. Those Death Eaters couldn't put up any resistance at all."
"We have absolutely no idea who they were or where they came from, but they left after taking out those Death Eaters. Amelia's back. She stayed there to organize all the Ministry's remaining forces. They'll come through the fireplaces to reinforce us later. We're the vanguard."
"Oh, I forgot to introduce myself. I'm Yumis Molnar, Hogwarts class of '87, Hufflepuff. I only joined the Ministry's Department of Magical Transportation a year ago."
"Yumis Molnar?" Tonks frowned deeply. "I think I've heard your name somewhere-"
"Ah, I remember!" Tonks's eyes widened. "The Trophy Room-"
"Haha!" Yumis laughed heartily. "That's all history now-I never expected-"
Before Molnar could finish, an enormous boom, like the blow of a