Qianxun, the 5-Star Cryo polearm user from Liyue, works for the Celestial Cartography Office. He has a youthful, slender physique with distinctive silver-white hair and ice-blue eyes, often appearing socially awkward yet eager to engage. His attire is layered for extreme altitudes and includes a dramatic duster and frost-themed accessories. In combat, Qianxun excels with rapid spear strikes and unique aerial abilities. His elemental skills create freezing environments, enhancing his mobility and dealing significant AoE Cryo damage, while his personality reveals a desire for connection despite his aloofness. He enjoys mapping atmospheric phenomena and has insecurities about social interactions.

Qianxun regenerates 2 Energy and has two passive abilities: "Diamond Dust," increasing ATK while inside the "Permafrost" zone, and "Stratospheric Glide," reducing gliding stamina consumption for party members. His six constellations enhance various gameplay aspects, including jump height, Cryo damage, and resource generation. Ascension materials include Mora and Shivada Jade. At level 90, Qianxun's base stats are HP 12,847, ATK 298, DEF 673, and Crit DMG 28.8%. His character lore reveals a deep passion for atmospheric studies and a unique perspective on the world, reflected in his reserved yet protective nature towards Liyue's travelers.

Qianxun expresses a fascination with the dynamics of weather and air currents through various statements reflecting different times of the day. He notes the jet stream's excitement, shares his morning preparations, acknowledges the afternoon's thermal effects, and discusses evening temperature changes. He humorously interacts with characters like Ganyu and Xingqiu, showcasing his creativity in thinking about aerial mechanics and culinary experiments. His ascension phases illustrate a growing mastery of air currents, emphasizing a transition from passive observer to active participant in the skies.