Who could be the unexpected savior in 'Harry almost dies to dementors fanfiction'?

One possible plot development could be that a powerful magical creature or a hidden ally steps in at the last moment to save Harry. For example, a phoenix might appear and drive the dementors away with its purifying fire.

It could be a new dark wizard who has infiltrated Hogwarts under the guise of a new teacher. This wizard might have a vendetta against Harry specifically and sets up elaborate traps to kill him.

Voldemort is often involved. Since he's Harry's main enemy, he might set up elaborate plans to kill Harry. For instance, he could use a powerful artifact to lure Harry into a deadly situation.

One scenario could be that he is poisoned by a mysterious potion slipped into his food in the Great Hall. Maybe a Death Eater sympathizer among the students manages to do this.

Definitely Naruto. He's always been there for Sakura, no matter what. He would use his Nine - Tails chakra if he had to in order to save her. Sakura's female friends like Ino could also play a role in her rescue. Ino is a skilled ninja in her own right and has a deep friendship with Sakura. And don't forget Tsunade. As the Fifth Hokage and Sakura's mentor in the medical field, she would do everything she could to save Sakura's life.

Dumbledore could step in. As the most powerful wizard in the wizarding world, he has a deep connection with Harry. He would likely use his vast network of contacts and his own magic to find Harry. Dumbledore would also be concerned about the implications of Harry being sold and would want to protect him from any potential harm.

His teammates are very likely to be the ones to save him. Aqualad, with his leadership skills and water - based powers, could find a way to get Robin out of a dangerous situation. He might use his strategic mind to outwit the threat and rescue Robin.

One possibility is that Harry would grow up to be a very different person. Dementors are creatures of despair, so he might be more withdrawn and less trusting. He could also have some very dark powers, having been exposed to the dementors' influence for so long.

One common scenario could be in a battle against dark wizards. Maybe he's outnumbered and almost gets hit by a deadly curse. For example, a Death Eater could aim the Avada Kedavra curse at him when he's distracted trying to save a friend.

Maybe Dobby could be an unexpected ally. He could use his magic to create distractions for the other contestants or help Harry find a hidden passage in the maze. Another possibility is that one of the Hogwarts ghosts, like Nearly Headless Nick, decides to assist Harry. He could float through walls and spy on the other champions' movements and relay the information to Harry.