The Evil King is out to make use of the Netherworld Queen and the Netherworld Nine Souls Envoy, even turning the Holy Daughter and others into cannon fodder. How should this be resolved?
Trapped within the Ancient Runes on the ring, Zhou Yan had some ability to decipher these runes. However, he was himself sealed and unable to mobilize the energy needed to actuate the runes. So even if he had some power to lift the suppression of the Rune Ancient Array, he was still incapable of using it.
Yet he did not panic, but was instead considering the steps he needed to take thereafter.
The Evil King acted this way because Zhou Yan understood that the adversary must truly hate him to the bone, wanting him to watch helplessly as his plans crumbled to ashes, and as his friends met their tragic ends.