How did Hermione get brought over too?

Surrounded on all sides by tall, crumbling old houses, in the middle of the shabby little square, five figures appeared in Grimmauld Place as a Gate materialized out of thin air. The Muggles nearby turned a completely blind eye to the strange sight.

Allen gave an order to Lynch, the fully armed Death Knight behind him, who was clad in black-toned Metal Armor and wore a metal viking half-mask style Butterfly Faceplate. "Lynch, wait outside with your men."

"Got it." Lynch had himself and the other two Death Knights swagger into position in the front yard. The Muggles around them only felt a faintly cold, sinister aura from that direction as they passed by.

Seeing Hermione's searching gaze fall on him, Allen explained, "The Black family ancestral home. Pure-blood families like this usually have traps, alarms, or something else set up against Undead creatures, or maybe other dark creatures. Taking them straight inside wouldn't be very polite to Sirius Black..." After explaining to Hermione beside him, Allen asked, "Did you bring the things?"

"They're all in here. Do you want one now?" Hermione patted her little pouch. "I chose all sugar-free ones."

"All right, then let's go." With that, Allen took the lead and stepped up the stone steps. He tapped the front door with his wand, and they waited patiently for a while. Then came a loud series of metallic clanks, along with a rattling like chains, and the building shifted apart from the middle to both sides. An extra door creaked open, and Sirius Black appeared in the doorway, his face gloomy yet somewhat excited.

"Allen, you finally decided to come!" Sirius Black impatiently reached out and grabbed for Allen. "I've been waiting for you for more than half the school year, and only now are you willing