Arthur was still inside the cave, talking to Eragon, when Ozyrae saw the ships in the distance. There were five ships flying in the sky while the abyssal army gathered in a flat wasteland underneath it.
The undead army was pouring out of a mountain pass while Ozyrae protected them from above. She cast a powerful shield that would kill anything that approached her army before it emerged.
A few abyssal creatures attempted to strike the barrier. Their weapons and bodies disintegrated the moment they touched them. Ozyrae watched the ships from afar, her eyes squinting.
"My lady," Vorathis and Nyxiel said in unison while hovering in the sky behind the Sovereign of Death. "The elves informed us that there is no way of knowing which ship has Invidia or Princess Diana," Vorathis said.
"I know," Ozyrae said. "The five ships are identical, and they are equipped with a barrier that prevents us from sensing the presence of the people inside."