When over 200,000 human and demon knights collided against each other, Zhang Tie had already thrown out 7 golden spears.
When the 680 kg golden spear left Zhang Tie's hand, its speed had already reached 36 times the speed of sound. Additionally, Zhang Tie triggered a master-level cracking rune effect for each spear, which would intensify the spears' lethality. As a result, 7 earth demon knights had been blown up by Zhang Tie before the two armies crashed each other...
Earth knights' protective battle qis and physical strength were to 70 billion Joule energy what common fighters were to Zhang Tie's bolts-in-palm.