Evelyn stood completely still in the center of the quiet corridor. The soft golden lights from the ceiling lanterns cast long, dancing shadows across the polished marble floor. Her heart began to beat a little faster as the air turned strangely cold and heavy.

"Is someone there?" Evelyn called out, her clear voice ringing through the empty hall. "The site is closed for the night. You need to leave immediately."

She got no verbal answer. Instead, the heavy sound of dirty boots scraped against the hard floor again, moving closer from the dark back hallway.

Evelyn slowly turned her body around, her blue eyes narrowing as she looked down the...