Harry had originally wanted to go down and help, especially after Professor McGonagall was struck down in a sneak attack.
But then events took a turn, and there was clearly no need for him to go over.
Hagrid's spectacular display had left every student taking the Astronomy exam, along with all the outside examiners, utterly dumbfounded.
Harry, however, knew that this did not really count as Hagrid going all out.
Only Harry and a very few others knew that there was still an underage dragon in the Forbidden Forest.
Powerful though the Bird-Shaped Man-Eater was, he was still a cut below a dragon. When the Bird-Shaped Man-Eater appeared, the Auror Dawlish could still consider putting up a fight, but if a dragon flew out, he would probably start organizing a retreat straightaway.
Even exceptionally skilled wizards mostly chose to protect themselves and escape when faced with a dragon.
Although there were dragon-hunting squads that specialized in hunting wild dragons, their members were the very best of the best, and each squad had at least ten members. These members trained extensively to deal specifically with dragons.
Their techniques were distinctive, and their coordination was seamless.
Even so, a dragon-hunting squad could not guarantee that nothing would go wrong during a wild dragon hunt.
The British Ministry of Magic's Aurors were certainly considered quite capable within wizarding circles. But compared with the members of dragon-hunting squads, they probably still fell considerably short.
That went all the more for their preparation, experience, and coordination.
If Hagrid had called Norberta rather than Flyclaw-the Bird-Shaped Man-Eater-Harry had reason to believe that Umbridge's party would have suffered more than just two deaths that day. Only the two people killed by the Bird-Shaped Man-Eater's wings when he first appeared had died; Hagrid had knocked the others unconscious,