In the book "Origin" by Jennifer L. Armentrout, a character named Kat expresses her shock with the comparison of a child to Damien from "The Omen." This reference highlights the perceived darkness or sinister nature associated with the child, suggesting that he might possess malevolent qualities or an unsettling presence that evokes fear or concern among those around him.

This moment encapsulates the tension and eerie atmosphere within the narrative, making it clear that there are complex and possibly dangerous dynamics at play in the story. Kat's reaction indicates a blend of disbelief and foreboding, setting the stage for further developments in the plot as the implications of such a comparison unfold.