I am very interested

Jingyang let out a long sigh of frustration, and as he took a deep breath again, his gaze slowly changed - how could there be such a heavy metallic smell,Jingyang yanked on the throat of the wild wolf beneath his feet, jerking his head back with a splash of blood. He turned to fight the wolf that had ambushed him from behind.,Was it congenital heart disease Jingyang's face was pale, or... He clutched his chest and looked at the wolf corpse across from him, which was no longer moving after being torn apart. Was that strange breath that pierced into his heart because of this wolf's death。