Deterrence.

Yang Dao stated that the old man does not know what true strength is. He waved his hand and the top of the pavilion became dust and fell upon them. Abraham sat in his chair like a mannequin, shocked and scared when he saw this. 

The boy turned the whole ceiling into dust with a wave of his hand. What sort of magic was this. He had never seen any elemental pulling this off. Yang Dao evoked the azure feather wings on his back. He was not showing off his strength and thus he needed to do it properly. Casting an image in the premier's mind. An image so deep and vivid that if the old man even has thought of slacking off or not being just in his dreams, he will never sleep again. 

The wings fluttered making his body float in the void. Yang Dao crossed his hands in front of his chest and looked down on the old man. He asked, "You may have seen a lot of level four elementals among the old generation nowadays. However, I stand at the level they can never even dream of.