There might be other characters who are friends or allies of the 'child of the stars'. They could be from different backgrounds, like a group of adventurers who team up with the 'child of the stars' to face various challenges. These characters would add depth and variety to the story.
There could also be original characters created by the fanfic writer. These might be characters like a young and talented choreographer who comes in to help the stars with their routines. Or a mysterious figure who has a hidden agenda related to the outcome of the competition.
I'm not sure specifically as it depends on the fanfic. It could be a young wizard or witch as the main character who is drawn to the magic in the stars.
The main characters might be leaders within Harad who are trying to bring about change. Or it could be a group of outcasts who end up being the key to Harad's salvation. There could also be mysterious characters with special powers that are native to Harad.
The main characters in 'child of grace fanfic' could be the 'child of grace' themselves, of course. There might also be friends or allies that they make along their journey. These could be other characters with their own unique abilities or personalities that complement or contrast with the 'child of grace'. For example, a street - smart character who helps the somewhat naive 'child of grace' navigate the more practical aspects of the fictional world they live in.
The main character is likely the 'child of mine'. But there could also be supporting characters such as the parents or guardians of the child. They might play important roles in the child's life within the fanfic.
Well, obviously the child of Jormungand would be one of the main characters. There might also be characters who are guardians or mentors to the child, guiding them through their journey. And perhaps there are antagonists who oppose the child because of their lineage.
I'm not sure specifically as I haven't read this particular fanfic in detail. But usually in such fanfics, there could be a central hero or heroine who has some special qualities or abilities related to the 'child of heaven' concept.
In a 'child of the phoenix fanfic', the main character would be the child of the phoenix of course. They would be the focus of the story. There could be other important characters too. For instance, the child's family members might be part of the story, even if they are not phoenixes themselves. They could provide emotional support or be a source of conflict. Another possible main character could be a love interest for the child of the phoenix. This character could add a romantic sub - plot to the story and also influence the decisions and actions of the child of the phoenix.
There's no way to know exactly without reading it, but likely there are pirate characters. There might be a brave and fearless pirate as the protagonist, perhaps with a sidekick or a love interest. And there could be an antagonist, another pirate or a figure from the outside world who opposes the main characters' beliefs about the stars - written destiny.
I'm not sure specifically as it depends on the fanfic. But it could be an adventurous space pilot as one of the main characters.