Albert felt no psychological burden whatsoever about using a Memory Charm on Umbridge. Neither of them was a good person, and they were already at odds. The fact that he had not simply killed her outright was proof enough of his kindness.
Yes, Albert had never considered himself a good person.
Perhaps it was because of the belief, carried over from his previous life, that good people never got good endings. With his flexible moral bottom line, he instinctively rejected such things.
After dealing with the problems Umbridge had left behind, Albert did not return to the Activity Room. It was now Savior Potter's stage, and his presence would only steal Harry Potter's spotlight.
He should leave that thankless task to Potter.
Although there had been a few disturbances during the Wizard Card Competition, it still concluded smoothly. After everyone shared in the joy of the competition, they went their separate ways.
Lee Jordan took the Book of Origins away and moved it elsewhere, to stop the toad from coming back to cause trouble.
As for Fred and George, who remained in the Activity Room, they greeted the students who had stayed until the end and began helping clean up the room.
Their real purpose was not to help clean. They wanted to hear what Hermione and Harry were about to say.
It did not take much time to completely restore the Activity Room, which had been thrown into disorder by the banquet. Besides, quite a few students had stayed behind to help clean.
Once they had cleared away all the rubbish left over from the banquet, they found seats and waited for what came next.
Hermione pulled the stiff-faced Harry onto the platform. She cleared her throat and said, "Ahem, I think everyone knows why you stayed behind."
"That