One common scenario is in school settings. When other students are bullying Harry or trying to harm him, Draco steps in to protect. Another could be during dangerous magical events. For instance, when a dark magic spell is about to hit Harry, Draco uses his own magic to shield Harry.
Often in fanfiction, there are scenarios where Harry is being targeted by Death Eaters or Voldemort's supporters. Draco, having grown up around them, understands their methods and motives better. He may then choose to protect Harry, either because he has changed his views on Harry or because he realizes that Harry's death would mean a greater victory for the dark side. This creates a very tense and interesting dynamic in the fanfiction stories.
In some fanfictions, when Harry is in a dangerous situation related to his fame as the Chosen One, like being hunted by dark wizards outside of Hogwarts. Draco, who has some knowledge of the dark wizarding world through his family, uses that knowledge to keep Harry safe. Also, in situations where Harry's life is at risk during Quidditch matches due to some foul play, Draco might be the one to stop it and protect Harry.
Another scenario is during dangerous magical experiments or when they are exploring old, dangerous parts of Hogwarts. Draco, being more familiar with the darker aspects of magic in some cases, will be protective of Hermione who is always eager to learn and might not fully grasp the risks. In these fanfictions, he'll stop her from doing something too risky or help her out when things go wrong.
One common scenario is Draco protecting Harry from other Slytherins who might still hold grudges against Harry. Another is Draco standing up for Harry during dangerous situations in the wizarding world, like when there are threats from dark wizards. And sometimes it's about Draco protecting Harry from the emotional harm caused by the wizarding society's expectations.
One common scenario is during battles. For example, in many fanfictions, when facing dark wizards, Harry positions himself in front of Hermione to shield her from spells. He uses his own body as a physical barrier, showing his extreme protectiveness.
One common scenario could be when Harry is in danger from other dark forces. Fenrir steps in to protect him, using his own strength and abilities. For example, if there are other werewolves or dark wizards attacking Harry, Fenrir defends him.
Sometimes, in these fanfictions, the punishment is related to a competition. Say there's a magical tournament or a Quidditch - related event where Draco believes Harry has cheated or played unfairly. Draco, being the proud Slytherin he is, decides to punish Harry. It could involve making Harry do embarrassing tasks or even trying to get him banned from future competitions.
One common scenario is in a dangerous magical situation. For example, in a battle at Hogwarts, Draco might step in to protect Harry from a dark wizard's spell. Another could be in the face of social threats within the school. Maybe some students are trying to bully Harry, and Draco, having a change of heart, defends him. It could also be that Draco protects Harry from a plot within the Slytherin house that aims to harm Harry due to his fame as 'The Boy Who Lived'.
One common scenario could be that Harry is caught sneaking around the Slytherin common room or stealing potions ingredients from Snape's stores. So, Snape and Draco might make him do extra detention tasks like scrubbing the cauldrons for hours without magic. Another situation could be if Harry is suspected of cheating in a Potions exam. Draco might report it to Snape, and they could punish Harry by making him redo all his Potions experiments from the semester.
One scenario is when Harry is in danger during a duel or a battle. Snape might step in to shield Harry from a dark spell. Another could be when Harry is being bullied by other students or facing unfair treatment from the faculty. Snape, in these fanfictions, uses his position to protect Harry. For example, he might give Harry private lessons to improve his skills and keep him out of harm's way.
One common scenario is when they are out on a quest. Arthur always puts Merlin's safety first, even if it means putting himself at risk. For instance, in a dangerous forest filled with magical creatures, Arthur would stand in front of Merlin to face any threats.
A common scenario is when Hermione is getting along well with Harry or Ron. Since Draco has a complex relationship with them, seeing Hermione so friendly with them can make him extremely jealous. For example, in some fanfics, when Hermione is laughing and joking with Harry during a party, Draco can't help but feel a pang of jealousy.