Function of instrument grounding terminal

The function of the earth can be attacked and treated, and the earth can be attacked and treated. Yingyuan is an instrument that can be attacked and treated. Yingyuan used it to resist the inferno in the first season and attacked Hydra in the Great War. It should fall under the hot spring water of the blue mountain on the earth, and it can be used to heal wounds and save dying people. Aquilaria sinensis is an adventurous large-scale Xianxia game, and the earth is one of the instruments.