Aventurine is a senior manager in the IPC Strategic Investment Department and one of the Ten Stonehearts, with his Cornerstone being "Aventurine of stratagems." He exudes an aura of frivolity, often taking risks with ease, and his constant smile makes it challenging for others to gauge his true emotions. He attained his current position by daringly wagering against fate, viewing life as a high-stakes investment where he excels effortlessly.