King Lixian knew that time was short. He wanted to capture Zhang Ruochen quickly, so instead of wasting more time, he attacked immediately with the Killing Token.
Every regional king of the Ministry of War received a Killing Token given personally by the Empress. The token's power was different according to the king's level.
For example, King Thousand-elephant, Feng Qin and the others Zhang Ruochen had killed were merely lower regional kings. The power of their Killing Tokens was naturally limited.
However, King Lixian had accomplished great things in both overseas battles and in the Void World Battleground. He'd already become a mid-level regional king. His Killing Token was naturally stronger than the ones that the lower regional kings had.
With a wave of his hand, the Killing Token enlarged greatly. It seemed to cover the sky and gathered tumultuous killing Qi that surged out.
Kaboom.