The main characters are obviously Harry and Daphne. Harry, the well - known hero from the Harry Potter series, is the one who does the saving. Daphne is the one in need of rescue from the Dementors.
Well, in this fanfiction, it could start with Daphne being targeted by the Dementors for some specific reason. Maybe she has some information that the dark forces associated with the Dementors don't want her to spread. Harry, being the hero he is, just happens to be in the right place at the right time. He quickly conjures his Patronus, which is a stag, and it chases away the Dementors. Daphne is grateful and from that moment on, she becomes more involved in Harry's fight against the dark arts, and they form a strong alliance.
Daphne could be a fictional character created specifically for this fanfic. She might be a witch from a well - known wizarding family. Maybe she's a classmate of Harry's at Hogwarts or someone who has just heard about his situation and feels compelled to help.
Well, Harry might save Daphne from Draco because Harry is always the hero type. He doesn't like Draco's pure - blood supremacist attitude. Daphne could be a target of Draco's cruel remarks or actions just because she might not fully conform to Draco's ideas. Harry, being the defender of the underdog in many cases, steps in. Also, it could be that the plot of the fanfiction is building a new alliance or relationship web, and Harry saving Daphne is a key part of that, leading to new story developments.
It might start with Daphne being in a vulnerable situation where Draco is about to cause her some harm, like maybe Draco is cornering her in a corridor at Hogwarts and making mean comments. Then Harry just happens to come along and decides to step in.
It could be that Daphne has a personal connection to Harry that she's not aware of until she starts investigating the strange magical disturbances around the Dursleys' place. Once she realizes it's Harry in trouble, she enlists the help of her friends or some sympathetic wizards to break Harry free. She might also face some challenges along the way, like dealing with the Dursleys' resistance or the Ministry of Magic's rules about interfering in Muggle affairs.
Well, I'm not sure about specific 'Daphne saves Harry from the Dursleys' fanfiction titles off the top of my head. But you could also try Fanfiction.net. Browse through the Harry Potter section and look for tags related to Daphne and Harry's rescue from the Dursleys. It might take a bit of time, but you're likely to find some great reads there.
Well, perhaps Daphne somehow discovers Harry's awful situation at the Dursleys. She might use magic to break into the house secretly. Then she could use a spell to make the Dursleys forget about Harry so that she can take him away without a fuss.
Well, it could be that Daphne is in danger during a dark wizard attack at Hogwarts. Harry, being the hero he is, uses his skills and magic to fend off the attackers and save her. Maybe she was in the wrong place at the wrong time near the Forbidden Forest.
Dark wizards or witches who are on a power - hungry spree could be the antagonists. They might see Daphne as an easy target or a way to get to Harry Potter himself. So they kidnap her to lure Harry into a trap.