Well, perhaps in this fanfiction, when Harry Potter wears Tobi's mask, he gains some of Tobi's mysterious powers. He could use these powers to secretly spy on the Death Eaters, getting valuable information to help the Order of the Phoenix. Maybe the mask also gives him a new look that confuses his enemies, and he uses this to his advantage in battles.
In this fanfiction, Harry wearing Tobi's mask might change his personality a bit. He becomes more elusive and unpredictable, like Tobi. This new side of him makes his friends a bit wary at first, but they soon realize that he's still the same Harry at heart. He uses the mask's power to travel to different dimensions or hidden places in the wizarding world, where he finds new allies and resources to fight against Voldemort.
Dumbledore would likely see it as an interesting development. He would observe Harry closely to see how the mask affects him. He might also try to guide Harry in using the power of the mask for good. Snape would be his usual skeptical self. He'd think that Harry is getting involved in something he doesn't understand and would be secretly keeping an eye on him.
One possibility could be that Harry wears a mask to hide his identity while on a secret mission for the Order of the Phoenix. Maybe he's infiltrating a Death Eater gathering and the mask helps him blend in without being recognized as the famous Boy Who Lived.
Well, if Harry Potter were to wear Revan's mask, it could potentially give him some new powers or a different appearance. Maybe the mask has some sort of magic that is not from the wizarding world he knows. It could also make him look really cool and intimidating to his enemies.
In this fanfiction, Harry might be transported to a parallel magical world in Japan while wearing the kimono. There, he has to adapt to the different magical customs and traditions. He could meet Japanese wizards and witches who help him on a quest to find a way back to his own world. Along the way, he learns about the significance of the kimono in their culture and how it can be used as a magical tool.
One possible plot could be that Harry is trying to fit in with a new group of wizard friends who are into a more punk - rock or alternative style. Wearing eyeliner is his way of showing that he belongs with them and is embracing a different side of himself.
Perhaps it could be set in an alternate universe where Harry is a baby and the wizarding world is facing a threat that only baby Harry can solve because of a special power he has that is related to his diaper. The diaper could be enchanted in some way, and throughout the story, Harry's innocent actions while wearing it end up having a big impact on the events in the wizarding world. This would be a fun and light - hearted plot without being offensive.
Maybe he got injured in a new dark wizard battle. The eyepatch could be a sign of his sacrifice and new - found determination. It would add a cool, rugged look to his character and could lead to new relationships as people view him differently.
One possible plot could be that a spell goes wrong and Harry is regressed to an infant - like state, complete with wearing diapers. His friends Hermione and Ron are baffled but determined to help him. As they search for a way to reverse the spell, they have to take care of Harry like a baby. This includes things like feeding him baby food made with magical ingredients, changing his diapers, and protecting him from those who might take advantage of his vulnerable state. The story could be full of humorous situations as the trio navigates this strange new dynamic.
It could be a story where a spell goes wrong and Harry is turned into a baby again. The plot might revolve around his friends trying to reverse the spell while Harry is stuck wearing a diaper and having to rely on them completely. There could be a lot of comical moments as his friends struggle to take care of him in this state, and Harry tries to convey his thoughts and memories through baby - like actions.
Well, in this fanfiction, it could be that Harry Potter has come across some sort of ancient magic or artifact that has changed him. Maybe this magic has a connection to Tobi's essence or the type of power that Tobi wields. Additionally, he might be trying to protect his friends in a different way. Tobi has his own way of safeguarding what he holds dear, which might seem appealing to Harry in a difficult situation. Or, there could be a prophecy or a hidden message that he has misinterpreted, leading him to believe that acting like Tobi is the right path to take.