I'm not sure exactly who the main characters are as I haven't read the story. But surely the king without a shadow is one of the main characters. There might also be some advisors or servants in his court who play important roles in relation to his situation.
Well, the king without a shadow is the central character, of course. There could be a magician or a wise old man in the story. The magician might be trying to help or harm the king regarding his shadowless state. The wise old man could be a source of advice for the king, guiding him on his journey to figure out what's going on with his lack of a shadow. There may also be a young brave knight who is loyal to the king and helps him face any challenges related to his unique condition.
In 'the king without a shadow story', the king himself is the primary character. However, there could be other important characters as well. For instance, there might be a female character, perhaps a princess or a witch. If she is a princess, she could be in love with the king and support him through his struggles with his lack of a shadow. If she is a witch, she could have some power over the king's shadow situation, either causing it in the first place or being the key to solving it. Additionally, there may be some commoners in the story, whose reactions to the king's condition also shape the plot.
The shadow king himself is of course a main character. He's the central figure around which most of the events revolve. There's also a young apprentice who plays an important role in the story. His loyalty and growth are significant aspects of the narrative.
The main plot might be about a king who lacks a shadow, perhaps symbolizing his lack of a certain essence or connection to the real world. It could be a story exploring his journey to find his shadow, which might represent his true self or his place in the world.
I don't know for sure since it's a fanfic. It could be the dragon king himself as a main character. There might also be a brave knight or a wizard who has to deal with the dragon king or the things in his shadow.
The main characters in the Shadow of War main story are Talion and Celebrimbor. Talion is a ranger who has been resurrected with special powers, and he is on a quest to fight against Sauron. Celebrimbor is an ancient elf - smith, and his spirit is bound to Talion. Together, they are a powerful force against the dark forces in Middle - earth.
In the Shadow of the Colossus story, the key characters are Wander and Mono. Wander is this young man who is brave enough to enter the forbidden land. He has a strong will as he is determined to bring Mono back to life. Mono, on the other hand, is kind of the driving force for Wander. Although she is in a state of death at the start, her presence is very much felt throughout the story as Wander battles the colossi for her.
The main characters in the 'Shadow of the Erdtree Story' could be those who are on a quest related to the Erdtree. It might be a brave knight who is trying to protect the Erdtree from dark forces. Or perhaps a wise mage who is seeking the secrets hidden within the Erdtree. There could also be a young adventurer who stumbles upon the mystery of the Erdtree and becomes involved in the larger story.
The main characters in 'Shadow of War story' are Talion and Celebrimbor. Talion is the ranger who is brought back from death and is on a journey of revenge and power struggle. Celebrimbor is the wraith who forms a bond with Talion and aids him in his battles against Sauron.
Since I don't know the exact 'shadow kids story', it's hard to say. But it could be the shadow kids themselves as the main characters. Maybe there's a leader among them.
Since we don't have more details about the 'shadow love story', it's impossible to say who the main characters are.
I'm not sure as the information given is just 'the shadow short story'. But it could be a protagonist who has a special relationship with their shadow.