A typical scenario is when there are threats from outside the school, like Death Eaters. Draco, having insider knowledge of their plans, decides to protect Harry. He might lie to the Death Eaters about Harry's whereabouts or physically stand in their way to buy Harry time to escape.
Often, in the 'Draco protects Harry' fanfictions, a scenario could be during a dangerous potion - making experiment gone wrong. Draco, using his knowledge of potions, saves Harry from the harmful effects. Also, there might be a situation where they are exploring a hidden part of the castle together, and Draco shields Harry from a hidden magical trap.
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 theme is redemption. Draco is often seen as a character who needs to be redeemed, and Harry's protection plays a part in that. For example, Harry's actions can make Draco realize there's more to life than following the dark path.
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 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.
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 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 popular 'Draco protects Harry' fanfic is 'The Green Serpent' where Draco's hidden loyalties lead him to safeguard Harry in the face of dark forces at Hogwarts. Another could be 'Draco's Redemption' which shows Draco's transformation and his determination to keep Harry out of danger. There are also many on Archive of Our Own (AO3) under the 'Draco/Harry' relationship tag that explore this theme.
One popular 'harry protects draco fanfiction' is 'The Protector'. In this fic, Harry realizes Draco's not as bad as he seems and starts to protect him from the real threats in the wizarding world. It has some really great character development.
Another scenario could be when Naruto is in a vulnerable state, like when he's recovering from an injury or is in a weakened state due to overusing his chakra. Hinata would stay by his side, using her Byakugan to keep watch for any potential threats. And if any threat does come, she would use her combat skills to fight it off, ensuring Naruto's safety until he recovers fully.
There are also scenarios where Artemis is on a quest and Percy joins or follows her to ensure her safety. Along the way, they encounter various challenges such as traps set by ancient enemies or natural disasters that Percy has to overcome to keep Artemis safe. He might use his powers and his wits to get them through these difficult situations.
One common scenario is when they are in a dangerous situation together, like facing a powerful dark wizard. Draco steps up and uses his skills and knowledge to keep Harry safe. For instance, in a fanfic where they are trapped in a haunted castle, Draco uses his Slytherin cunning to find an escape route for both of them, which makes Harry feel protected.