Fu Xuan is a Quantum Element support character in Honkai: Star Rail who specializes in defensive utility. She is an excellent defensive support capable of minimizing damage taken by party members and transferring it to herself. Despite lacking shields, she can keep teams alive effectively. Fu Xuan provides both defensive utility and CRIT Rate buffs through her Skill, making her a versatile Preservation character suitable for any team composition. Her base stats include 465 ATK, 606 DEF, and 100 SPD. She works well in various team configurations, particularly with DPS characters like Seele and supports like Sparkle and Tingyun.