Sword and Mission Card

Yalina nodded, then shook her head. She uttered solemnly, "Before our arrival here, numerous skeletons were seated by the dining table. Judging from their apparel, they were presumably all adventurers. Before the corpses were carried off by the ghouls, I observed that their bodies bore no scars and their bones were intact, signifying that they had not engaged in any battle. They perished here, trapped. Yuli and I have been seated here for a day, which has corroborated my conjecture."

In other words, the ghouls would not assail them actively? Glancing back at the ghouls not far away, especially "her" standing in front of the fireplace. Why was this so? Since when had the undead become so decorous? Or did these ghouls possess their own consciousness and the faculty of thought? Particularly "her"... Trapped to death here?