What is the main plot of 'heart stone novel'?

Well, it could be centered around redemption. Maybe the character with the stone cold heart has made some mistakes in the past and the story is about their journey to make amends and soften their heart in the process.

Without having read the 'heart stone novel', I can only guess. There may be a character who stumbles upon the heart stone by accident and then becomes the central figure in the story. There could be an old wise character who knows about the heart stone's history and tries to guide the younger characters. And perhaps there are some antagonists who will stop at nothing to get their hands on the heart stone for power or wealth.

It might be. If the story revolves around the search for, protection of, or the power struggle related to the 'dragon heart stone', then it is a major plot point. However, if it's just a side element that doesn't greatly impact the overall flow of the story, then it's not.

The main plot of 'Sword in the Stone novel' is about the story of the young Arthur. He pulls the sword from the stone, which proves his rightful claim to the throne. Along the way, he has various adventures and learns important lessons from Merlin, his mentor.

I'm not sure specifically as I haven't read it yet. But generally, it could be about a character's journey related to a heart of stone, perhaps in a metaphorical sense like a person who is cold - hearted at the start and then goes through changes.

Since it's a novel, it's likely to have a complex set of characters. There might be a group of people who are on a journey with the main character. Some might be allies, trying to support the character in changing their stone cold heart. Others could be rivals within the group, creating internal conflict while the main character is also dealing with their own emotional state.

I don't know for sure. It could be a hero with a mysterious past.

Since it's a graphic novel, there might be a group of adventurers as the main characters. One could be a strong and silent warrior type, who is physically capable of protecting the stone heart. Another could be a clever thief who has the skills to steal or retrieve the stone heart from dangerous places. And there could be a wise scholar among them, who can decipher the ancient texts and clues related to the stone heart's origin and power.

The main characters include a young hero who is on the quest for the Heart of Stone. There is also an old wizard who provides guidance to the hero. And a villain who wants to use the Heart of Stone for his own evil plans.

Most likely the main characters are the Beauty and the Beast. Just like in the traditional story.