Purgatory Island didn't abide by any principles of fair combat between equals of the same realm; it was common for a Taoist Ancestor to strike and slay an Immortal Monarch.
Above the Ancient Tea Immortal Lake,
The Camelopard Great Sovereign suddenly looked towards the northwest, his eyes narrowing as he said to the Heavenly Serpent Demon Venerable,
"Grand Martial Old Ghost has arrived."
"Let's go!"
No sooner had he spoken than he stowed away Sky Lion Peak, and, with a shimmer of his form, sped towards the Eastern Emperor Domain, with the Heavenly Serpent following closely behind. They moved so swiftly that within three breaths, they had crossed the mountain range separating Knowing Heaven Immortal Realm from the Eastern Emperor Domain and had returned to the Eastern Emperor Domain.