The threat of the Heavenly Demons had been neutralized, and the time had come to slaughter the donkey once it had finished pulling the millstone.
If they had genuinely surrendered with pure intentions, they would have still had a sliver of a chance at survival. However, since their previous surrender was merely a plot to assassinate Yelin, no sane person would keep two Deity Transformation Great Circle Heavenly Demons by their side for long, let alone feel at ease when Yelin had already planted hundreds of seals on them.
Neither the Five-Color Enchantress nor the Demon Snake True Monarch was a fool. Knowing that their time was running out, they took the initiative to come and beg Yelin for mercy.
Chapter 356