There could be an old hermit - like character who has some knowledge about the secrets of the house on the black lake. And maybe a young and curious character, perhaps a journalist or a writer, who is drawn to the place to uncover its story. There might also be some local characters who have lived near the lake for a long time and have their own tales about the house.
It's possible that there is a family as the main characters. A mother, father, and their children who move into the house on the black lake. Each family member could react differently to the strange things that start to happen, and their relationships could be put to the test as they face the unknown in this new and eerie setting.
I don't know as I haven't read the novel, but usually in such novels, there could be a protagonist who might be a new owner of the house or someone who is investigating the mysteries of the house.
There could be a young and curious protagonist. They might be new to the area or just visiting the lake house for the first time. And perhaps there is a mysterious neighbor who adds an element of intrigue to the story. This neighbor could have some secrets related to the lake house that slowly unfold as the story progresses. There might also be family members of the main character, like a parent or a sibling, who play important roles in the character's relationship with the lake house.
I don't know since I haven't read it. But they could be the people who live in the lake house, like a family or an individual.
There could be a young adventurer who stumbles upon the house by the lake as the main character. He might meet an old hermit who lives in the house and has many stories to tell. Another possible main character could be a writer who is looking for inspiration and finds it in the peaceful yet mysterious environment of the house by the lake.
Since I don't know the details of the story, I can't say for sure. But it could be the people who own the lake house, or visitors who come there for different reasons.
There could be a scientist or an environmentalist. They would be interested in studying the cause and effects of the flood. They might try to find solutions to prevent future floods and also document the changes in the ecosystem. Their knowledge and expertise could be crucial in the story.
I don't know as I haven't read it, but it's likely the children living in the lake house are the main characters.
I'm not sure specifically as I haven't read it in detail. But it might be about some events or characters related to a house located near a black lake.
Sirius Black is likely to be a central figure. His rebellious nature against the family's traditional ways makes him a key character. Narcissa Malfoy could also be a main character. Despite being part of the Black family, she has her own loyalties and dilemmas, especially when it comes to her family and the Dark Lord. Additionally, Regulus Black might be important as his actions and his relationship with Sirius add depth to the story.
I don't know the novel well, so I can't say for sure. But it could have a brave explorer as a main character who is drawn to the dark lake to find out its secrets.
There's no way to be certain without reading the novel. It might have a group of friends as main characters, and they all have different relationships with the blue lake. For example, one might be a local who has always known the lake's secrets, and another could be a newcomer who is intrigued by it.