To develop Mare, you can focus on her internal struggles. For example, her feelings of guilt or her fear of losing those she loves. You can show how these emotions influence her actions and decisions in the fanfiction.
Mare of Easttown is indeed based on a novel. The show takes inspiration from the source material to create a compelling on-screen adaptation. The characters and plotlines have roots in the original novel.
Mare of Easttown is not based on real events. It's a work of fiction that weaves a compelling narrative for the audience to enjoy. The characters and plotlines are crafted by the creators' imagination.
The origin of the Black and White Impermanence's name was because the Black Impermanence's original name was Fan Wujiu, and the White Impermanence's original name was Xie Bian. The two of them had been good friends since they were young and were like brothers. According to the legend, one day, they went out to do something together, but they encountered heavy rain and floods under the bridge. When White Impermanence went back to get the umbrella, Black Impermanence chose to wait under the bridge. However, the flood was getting bigger and bigger, and Black Impermanence was eventually washed away. When the White Impermanence returned, he couldn't find the Black Impermanence and was very sad. In order to express his gratitude, the King of Hell gave them the name Black and White Ghosts. Therefore, the Black and White Ghosts 'names came from their original names and this story.