Another theme is the exploration of power dynamics. Heimdall has his own powers and responsibilities, and when paired with an OC, it can create an interesting dynamic. Sometimes the OC might be in awe of Heimdall's power, or they might challenge him, leading to a more complex relationship.
Sure. You can try looking on Archive of Our Own (AO3). There are often many well - written Heimdall x OC fanfictions there. Just search for 'Heimdall x OC' in the search bar, and you'll get a list of relevant works. Some might focus on adventure stories where the OC and Heimdall go on quests together, while others could be more about their developing relationship.
In Heimdall x Reader fanfiction, a common theme is the struggle against fate. Heimdall may know the reader's fate, and the reader may try to change it, which creates conflict and drama. Another theme is the idea of seeing and being seen. Heimdall's all - seeing ability makes this a central aspect of the relationship. He sees the reader in a way no one else can, and the reader may strive to understand him in return. Additionally, the theme of sacrifice can be present. Heimdall might have to sacrifice something for the reader, or vice versa, as their relationship deepens.
One popular Heimdall x Reader fanfiction is 'Heimdall's Hidden Affection'. It beautifully portrays the relationship between Heimdall and the reader with a lot of emotional depth. Another great one could be 'A Meeting with Heimdall' which has an interesting plot where the reader gets to interact with Heimdall in a unique setting. There are also some on fanfiction.net that are worth exploring if you search for Heimdall x Reader specifically.
In certain comic arcs, Heimdall tragically meets his end. The circumstances and reasons for his death can vary depending on the specific comic series and plot.
The OC's character can be developed through her reactions to different situations. When she first meets Sasuke, how does she respond to his coldness? Does she try to break through his barriers or is she put off? With Gaara, when she learns about his past, does she pity him or see his strength? Also, give her a moral code. If she believes in always helping the weak, it will affect how she treats Sasuke when he's in a dark place and how she interacts with Gaara's people in the Sand Village. Her hobbies and interests can also be used to make her more three - dimensional. For example, if she loves cooking, she could cook for Sasuke and Gaara, and through that, their relationships can grow and develop.