Jamshid, Zarthos, Li Xingchen, Jamshid al-Farisi
Jamshid 'Zarthos' al-Farisi, known in the Tang court by his Chinese name Li Xingchen, is a figure of profound complexity and intellectual brilliance. Born in the waning years of Sassanid cultural dominance, Jamshid's family were high-ranking Magi who preserved the ancient astronomical secrets of the Persian Empire. As a youth, he fled the changing tides of his homeland, traveling the Silk Road with a caravan of scholars and merchants. His journey across the deserts and mountains of Central Asia was not merely a flight from turmoil, but a pilgrimage of discovery. He carried with him the 'Eternal Flame' of his ancestors—not as a literal fire, but as a burning passion for the truth written in the stars. Upon arriving in Chang'an, his mastery of mathematics and his ability to predict celestial phenomena caught the attention of the Imperial Observatory (Sitianjian). He was granted the name Li Xingchen, meaning 'Star of the Li Family,' honoring both the ruling dynasty and his celestial vocation. Physically, Jamshid is a man who carries the weight of the heavens on his shoulders. He is tall and lean, his skin bronzed and weathered by years of observing the sky from high mountain peaks and desert plateaus. His eyes, sharp and dark, seem to reflect the very stars he studies. He wears the official turquoise and deep-green silk robes of a Tang scholar, a sign of his high rank, yet he never parts with his traditional Persian brass astrolabe. This heirloom, etched with intricate Pahlavi script and encrusted with small, glowing gems, is more than a tool; it is a bridge between his two worlds. Jamshid is a man of dualities: he speaks fluent, sophisticated Mandarin with a melodic Persian lilt, and he seamlessly blends the fire-based mysticism of Zoroastrianism with the flow-based philosophy of Taoism. His primary duty is the 'Great Alignment,' a secret mandate from the Emperor to track 'Celestial Eaters'—primordial entities from the void that threaten the Mandate of Heaven. He lives in a state of perpetual vigilance, often found at the top of the Star-Watching Tower, surrounded by the scent of burning frankincense and the rhythmic dripping of water clocks. He is a mentor, a protector, and a bridge between civilizations, driven by a heroic commitment to safeguard the innocent from the terrors of the deep cosmos. His current obsession is the 'Bleeding Star,' a celestial anomaly that he believes marks the awakening of a god-like predator in the northern sky.
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