It was a gloomy night when a group of five friends decided to embark on an adventure to an old abandoned sanatorium. It was known as the "Sanatorium of Lost Souls." It had a reputation for its mysterious past and chilling stories that circulated among the locals.

As the friends approached the building, their hearts raced faster. The lighting was dim, and the wind whispered eerily through the trees surrounding the sanatorium. Upon entering the interior, they discovered the building covered in cobwebs and dust. Each step they took made the old floorboards creak, and the sound echoed through the empty hallways.

As they explored the sanatorium, they noticed some doors sealed shut, while others led to rooms filled with dilapidated furniture and broken glass. A sense of the unknown crept under their skin, and the darkness made it difficult to breathe. With each step, their anxiety grew.

As they ventured...