Well, in this kind of fanfiction, Harry might receive some sort of otherworldly knowledge or power from Death. Maybe Death gives him the ability to see the true nature of dark magic, which helps him in his fight against Voldemort. It could also be that Death shows Harry the fates of different characters, guiding his actions to ensure the best outcome for the wizarding world.
One scenario in this fanfiction could be that Death has a special task for Harry. In exchange for its help, Harry has to fulfill certain conditions. Death might tell Harry that he needs to find and destroy an ancient, evil artifact that is the source of Voldemort's power. Along the way, Death could bestow upon Harry the gift of understanding ancient magic languages, which enables him to decipher the clues leading to the artifact. This would add a whole new layer of adventure and mystery to Harry's journey.
Perhaps Death is a being from a different dimension in this fanfiction. It exists outside the normal rules of the wizarding world and has the power to interfere when it deems necessary. It could have its own motives for helping Harry. Maybe it wants to study the unique magic that Harry possesses, or it could be that there is a prophecy that ties Harry's success to the stability of the multiverse, and Death is simply acting to preserve the greater good.
If Harry Potter gets help from the Queen in fanfiction, the Queen could offer her strategic wisdom. Given her experience in ruling and dealing with various threats, she could help Harry plan his battles against Voldemort. She might also introduce Harry to a network of powerful Muggles who could support his cause in different ways, like providing financial aid for the Order of the Phoenix or helping to spread anti - Voldemort propaganda among Muggles.
Well, it's possible that Harry gets a gadget that can translate any magical language instantly. This would be really useful when he's dealing with ancient spells or communicating with magical creatures from different regions. It could also lead to some comical situations, like when the gadget misinterprets a spell and creates a chaos of unintended magic.
In this fanfiction, Harry might use the staff for various magical purposes. Maybe it could enhance his existing powers. For example, it could help him perform more complex spells with greater ease. He could also use it to defend himself in a more unique way compared to just using his wand.
Well, perhaps Harry's new haircut makes him look completely different and his friends don't recognize him at first. It could be a humorous situation where they keep asking who he is until he reveals himself.
In this fanfiction, Harry might use the phoenix for various magical tasks. The phoenix could help him in his battles against Voldemort. For example, it could carry messages quickly or even heal his wounds with its tears.
In the 'Harry Potter gets knighted' fanfiction, perhaps Harry is honored for his heroic deeds against Voldemort. He might be knighted in a grand ceremony at Hogwarts, with all his friends and professors present. The Ministry of Magic could finally recognize his great contributions to the wizarding world.
In the 'Harry Potter gets a second wand fanfiction', it could change his relationships too. His friends might be both amazed and a bit worried. Hermione would probably be eager to study the implications of having two wands. Ron might be a bit jealous at first. And Harry himself would need to learn how to balance the power of two wands, which could be a real struggle, both physically and mentally, as different wands have different 'personalities' and he'd have to master them both.
There's a chance that he'll meet some sort of magical creature that has made the cupboard its home. This could be a friendly creature that helps him get out or a more mischievous one that makes his situation even more difficult. He'll have to use his wits and magic skills to deal with it.
Perhaps in this fanfiction, the custom wand is created by a very eccentric wand - maker. This wand - maker could have some strange ideas and methods. The wand could be designed to work in harmony with Harry's emotions. So when he's feeling angry, it might produce a more powerful spell, and when he's calm, it could be more precise. This would add a new dimension to Harry's magical abilities and how he uses them in different situations.