While playing Zenless Zone Zero, players will notice small robot-like figures in New Eridu. These are called Bangboo, intelligent devices essential to the city's daily operations. With their many different uses, as far as their lore goes, Bangboo were designed to aid residents during Hollow disasters, Bangboo were crucial in guiding people to safety by receiving disaster alerts and evacuation instructions from the public network.Over time, these devices have evolved, driven by technological progress and diverse demands.