"Christmas was almost here." Standing before the window of the second-floor Muggle Studies classroom, Shen Fei watched the young wizards happily leaving Hogwarts and could not help smiling.
With Christmas approaching, Hogwarts was already blanketed in snow. Just like in the Muggle world, Christmas was an extremely important holiday in the Wizarding World. Aside from a handful of professors who stayed behind, most people had left Hogwarts.
Shen Fei was one of those who remained. He had originally planned to return to London and ask Grindelwald about various spells, but Grindelwald seemed to have left on business, so there was no need for him to go back.
"Those two didn't go spend Christmas together, did they?" Thinking of the departed Dumbledore and then the missing Grindelwald, Shen Fei roughly guessed where the two had gone.
England really was a gay country.
Among the students, only Harry and Ron had stayed behind. Hermione had gone home for Christmas. The reason Harry did not want to go home for the holiday was obvious. Unless he had to, Harry probably never wanted to return to his aunt and uncle's house.
Ron staying behind was rather strange, though. Shen Fei could only guess that he had done so to keep Harry company.
"Finally, it worked." Looking at the golden circle before him, Shen Fei finally let out a breath of relief. With this, he would be practically invincible in this world. More importantly, being able to open a Portal meant he could practice Apparition and its reverse.
In fact, those two spells could be considered one spell. Apparition let a person leave their original location, while the reverse let them appear where they wanted to go. Only together did they complete spatial movement.
Besides that reverse spell, he could also learn the Undetectable Extension