Slender The Arrival Access

These letters detail the tragic backstory of Kate and her friend C.R., and how the Slender Man influenced them. Key "Deep" Lore Documents

Unlike the "Eight Pages" in the park, which are primarily a gameplay mechanic to trigger Slender Man's pursuit, these documents function as that unlock achievements and fill out the Scrapbook menu. They reveal that: Slender The Arrival

or influence of the entity is spread through contact and obsession, eventually turning victims into "proxies" like Kate. These letters detail the tragic backstory of Kate