The next chapter has them all starting to speak babble-on-ian like in the end of That Hideous Strength. At the banquet where all the bad guys start speaking nonsense and cannot understand each other and get into fights. And then the wild animals come in.
It was Merlin who brought release to both. He had left the dining-room as soon as the curse of Babel was well fixed upon the enemies. No one saw him go. Wither had heard his voice calling loud and intolerably glad above the riot of nonsense, "Qui Verbum Dei contempserunt, eis auferetur etiam verbum hominis." "They that have despised the Word of God, from them shall the word of man also be taken away."