Honkai: Star Rail recently unveiled the drip marketing of the new character Aventurine, confirming his rarity, path, and element. Although Honkai: Star Rail's Aventurine has been featured in plenty of leaks thus far, details surrounding the character's backstory have always remained a mystery. Players barely know anything about him except for the fact that he is a member of the Strategic Investment Department, an influential organization that operates on Jarilo IV and Penacony planets.