I have been wondering on how the battles in Philosopher’s Stone and Chamber of Secrets would happen if Harry wasn’t alone. So, in other words, this is what I mean:
Philosopher’s Stone
If Ron and Hermione had accompanied Harry all the way to the last chamber where the Mirror of Erised is located, how would the battle have gone?
Chamber of Secrets
What if Ron and Lockhart had accompanied Harry all the way to the Chamber of Secrets and fought the Basilisk? What if Lockhart wasn’t a fraud and instead he bravely assisted Harry and Ron in fighting the Basilisk?
What if when the tunnel caved in, Ron ended up with Harry on the side to lead to the Chamber of Secrets and Lockhart was alone on the other side and was cast the Full Body Bind Curse by Harry and Ron to not move and Harry and Ron went on to save Ginny and then they fought the Basilisk?