In theory, as long as there was enough time, the Chaos Heavenly Fire alone could grind Hong Moluo to death.
The Chaos Heavenly Fire's characteristic lay in corrosion. It corroded not only the body, but also the spirit, and even higher-level things such as divinity and inheritances.
However, keeping a Throne within the Chaos Heavenly Fire's range for an extended period, while not completely impossible, was extremely difficult.
Luo Yan had mastered part of the Chaos Heavenly Fire's laws, which was why he could maneuver around Hong Moluo in the sea of flames. But once Hong Moluo assimilated the Demon Realm, his combat power skyrocketed and his incantations underwent a qualitative transformation. Luo Yan alone could no longer suppress him.
Moreover, Luo Yan temporarily couldn't use the "Fusion with the Divine" state. Even if he activated the "Dao Field" and "Holy Descent," he would only be comparable to the "Fusion with the Divine" state, and might even be slightly inferior.
What was more, the most important part of the "Fusion with the Divine" state was generating the Six Ding Divine Fire, a force of the Great Dao that far surpassed Samadhi True Fire and was comparable in rank to the Chaos Heavenly Fire.
Its threat exceeded the combined might of the "Dao Field" and "Holy Descent."
Thus, without the "Fusion with the Divine" state, Luo Yan could at most harass Hong Moluo and engage in guerrilla tactics. To suppress him, he needed to coordinate with the other two Desolate Gods.
However.
There were always more solutions than difficulties.
Since he had previously been able to analyze part of the Chaos Heavenly Fire's laws with only the Golden Eyes of Enlightenment,
Luo Yan believed that now that he possessed the Myriad Phenomena True Eye, he should be able to analyze all