The Witcher: Starting with the Swamp Lord

The ancient gods passed away in the rolling years, the ancestral spirits of the past drifted away with the wind, and the monsters and demons in the abyss were ready to move. But in a castle above a swamp, a soul from another world is watching the storm with a smile, playing chess, fishing, and having fun. Until the monsters in the black-robed forest appeared, and a great black-robed wizard began to rise.