Aventurine is an Imaginary element Preservation Path character in Honkai: Star Rail. He is a mysterious gambler and member of the Masked Fools organization, known for his exceptional luck and strategic mind. As a Preservation character, Aventurine specializes in providing strong shields to protect his team while dealing damage to enemies. His shield strength and damage output scale with his DEF stat, making Defense the primary stat to prioritize in his builds. With sufficient DEF investment, Aventurine can achieve high CRIT rates during combat, making him a versatile support and sustain unit capable of synergizing with various team compositions.