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He was well aware that, at this point, with the Upper World being so vast, once he failed to succeed in Qingzhou, catching Gu Chen would no longer be an easy task.
But Gu Yan couldn't reconcile himself to this fact, even contemplating taking action against the Frost Soul Sect, but his father, the emperor, had not agreed.
Creating a commotion would likely expose the strengths and weaknesses of the Heavenly Mysterious Imperial Dynasty to outsiders, and that could lead to significant trouble.
However, under the radar, certain measures were still at his disposal.
"Gu Chen, no matter where you hide, the next time you dare show up, I'll kill you!" Gu Yan roared, his demonic shadow growing more solid behind him, its features fiendishly twisted. The dark aura in his eyes intensified with the demon's roar, turning darker, and his facial features became increasingly distorted, like a fierce and malevolent ghost.