Well, he could go on an adventure with the elf. Maybe they'll explore some hidden parts of the magical world together, like a secret forest filled with ancient magic. Or perhaps the elf will introduce Harry to other magical creatures that he's never met before.
The elf could be in trouble and Harry decides to help. This would create a bond between them. They might face some bad guys together, like dark wizards or some other dangerous magical beings. As they fight side by side, Harry would learn more about the elf's culture and way of life, which would be really interesting.
Well, he might use the house elf to keep his new house in order. The elf could help with cleaning, cooking, and protecting the place from unwanted intruders. It would be interesting to see how Harry, who has always been against the unfair treatment of house - elves, would manage this new relationship with an elf he owns.
She might discover new magical abilities that are unique to elves. For instance, elves are very good at household magic. Hermione could use these new skills to improve the living conditions in the Gryffindor common room. She could make the furniture more comfortable or keep the room cleaner without using much effort.
Well, perhaps the next generation could be shocked by the Dursleys' cold and unfriendly nature. They might try to change the Dursleys' views on magic.
Well, he might be really confused at first. Since he's from the wizarding world and used to Hogwarts. He could be curious about the Muggle school things like regular classes without magic. Maybe he'll try to show off some magic tricks unconsciously and get into trouble.
In fanfiction, the possibilities are endless. It could be that they go on an adventure to a previously unknown magical land or face a powerful dark wizard who was thought to be defeated.
Well, it could go in many directions. They might travel to a previously unknown magical realm or encounter creatures that were only hinted at in the original series.
Well, Shirou might start by being in awe of the nature spirit. Maybe the spirit shows him some hidden parts of the natural world, like a secret glade filled with glowing flowers. They could form a bond where Shirou protects the spirit's territory from those who would harm it.
Well, a lot could happen. Maybe the abused reader finds solace and protection among the Avengers. For example, if it's a story where the reader has superpowers but has been abused because of them, the Avengers could help the reader control and embrace those powers. They might offer a sense of family and belonging that the reader has never had before.
Well, Naruto could learn new jutsu from Zabuza. Since Zabuza is a skilled ninja, he might teach Naruto some unique water - style jutsu. This would make Naruto even more powerful and give him an edge in future battles.
Well, one possibility is that Dream could use his positive energy to heal Frisk. Since Dream is often depicted as a benevolent character, he might sense Frisk's pain and offer some sort of magical assistance. Maybe he has special powers that can soothe Frisk's wounds and give them the strength to continue on their journey.