Ruyi Jingu Bang is a magical staff from Chinese mythology, famously associated with the character Sun Wukong, also known as the Monkey King, from the classic novel Journey to the West. This staff is known for its ability to change size, allowing it to grow or shrink at will, making it a versatile weapon in battles. The name "Ruyi Jingu Bang" translates to "as you wish, golden-hooped rod." It is said to be made of special materials and possesses immense power, symbolizing strength and adaptability. The staff plays a crucial role in Sun Wukong's adventures, showcasing his cleverness and martial prowess.