RPG based on the game "The witcher"

The main characters of the game and book series revolve around the fate of Geralt and his loved ones. Here are the main characters:
The Main Trio
Geralt of Rivia: The protagonist, a witcher from the School of the Wolf. A mutant mercenary who strives to remain neutral but constantly finds himself at the center of political intrigue.
Ciri (Cirilla): Princess of Cintra and "Child of Destiny." She possesses the power to manipulate space and time (Elder Blood). She is like a daughter to Geralt and Yennefer.
Yennefer of Vengerberg: A powerful sorceress and Geralt's true love. She has a complex personality, is highly intelligent, and is willing to do anything to protect Ciri.
True friends
Dandelion (Julian Alfred Pankratz): A renowned bard, womanizer, and Geralt's best friend. He chronicles and sings of the witcher's adventures (often embellishing them).
Triss Merigold: A talented sorceress, Geralt's friend (and his alternate love interest in the games). She is more gentle and selfless than Yennefer.
Vesemir: The oldest and most experienced witcher, mentor and "father" to all witchers in Kaer Morhen.
Zoltan Chivay: A dwarf and Geralt's loyal companion, he is a master of witty remarks and a reliable fighter.
Antagonists and important figures
Emhyr var Emreis: Emperor of Nilfgaard, known as the "White Flame Dancing on the Barrows of Enemies." Ciri's biological father, who seeks to bring her back to strengthen the empire.
Eredin Breacc Glas: King of the Wild Hunt, leader of the Aen Elle elves from another world. His goal is to capture Ciri and harness her power.

The world of The Witcher, known as the Continent, is a gritty and grim "dark fantasy" inspired by Slavic folklore and the European Middle Ages. It's a place where the line between good and evil is blurred, and monsters often prove less dangerous than human cruelty and political intrigue.
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Global conflict and politics
The action takes place against the backdrop of a large-scale war between two powerful forces:
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Nilfgaardian Empire: A powerful southern state under the banner of the Black Sun, seeking to conquer the entire North.
Northern Kingdoms: Fragmented states (Redania, Temeria, Kaedwen, etc.) that are trying to unite to survive, despite internal strife and the fanaticism of rulers such as Radovid V.
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Key regions (using The Witcher 3 as an example)
The world is divided into several locations, each with a unique atmosphere:
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Velen: A war-ravaged "No Man's Land." It's swamps, poverty, gallows along the roads, and ancient forest legends about the Mistresses of the Forest.
Novigrad: A vast free city, a center of trade and religion, where bandit gangs and Witch Hunters thrive.
Skellige Isles: An archipelago to the west, inhabited by proud clans of seafarers and warriors whose way of life resembles the Norse sagas.
Kaer Morhen: An ancient, dilapidated mountain fortress, home to the few remaining witchers of the School of the Wolf.
Toussaint: A colorful principality (in the Blood and Wine expansion) reminiscent of fairytale France, with knightly tournaments and vineyards that hide dark secrets behind the facade.
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Inhabitants and social structure
Racial Intolerance: Relations between humans and "non-humans" (elves, dwarves) are extremely tense. Non-humans are often persecuted and forced into ghettos, while radicals unite into partisan units—the Scoia'tael.
Magic and Science: Mages and sorceresses wield enormous influence, but they are hunted in the northern lands. Meanwhile, technology remains at a late-century level.