Here's why:
* The Archive is a sentient, living entity: It's a vast, interconnected network of information, but it also has its own desires and agendas.
* It manipulates and controls: The Archive influences events and people, including the protagonist, Liavek, to achieve its own goals.
* It's not inherently evil: The Archive's motivations are complex and multifaceted, with its ultimate goal being the preservation and propagation of knowledge. However, this goal often comes at the cost of individual freedom and agency.
It's important to remember that "Radiance" is a complex and nuanced novel, and the line between antagonist and protagonist isn't always clear-cut. While The Archive acts as the main obstacle to Liavek's journey, it's also a vital force shaping the world of the story.