Phantom.

You Xi Wang's spear rested on the nape of the general. The latter froze in his place and did not dare to even breathe. The boy took down his mask and revealed his calm and cold face to the dwarves. The spirit beings shivered when they matched that cold and unfeeling gaze. 

His eyes were as if gazing at dead bodies. He spoke slowly, "Is this why you challenged me? Is this your capital to call me out? The skill pool is as short as your temper. It is worth nothing. You are the beings of earth they say, yet you have nothing that could match the properties of the earth in the least. Shameless."