Yama recklessly destroys ancient ruins during his attack, infuriating Robin.
This episode provides some of the first concrete links to the 800-year-old mystery of the Void Century through the ruins Robin discovers. One Piece Episode 174
Her quote about the importance of history highlights her role as the "light" that preserves the past: "The past may often feel like it cycles in and out through time, but we can never go back to it... That's why we cherish the gems it leaves behind" . Yama recklessly destroys ancient ruins during his attack,