In the eerie and mysterious setting of this survival-horror game, your ability to endure in the forest hinges on your survival skills and resilience against the haunting presence of an ancient evil. As you navigate through the familiar yet unsettling landscape, you'll need to chop down trees for resources, hunt for sustenance, and construct a secure base to protect yourself from the lurking dangers.

The duration of your survival in this haunted forest depends on several factors:

1. Resource Management: Efficiently gathering and utilizing resources like wood for shelter and tools, and food for sustenance, will be crucial. Your ability to manage these resources effectively can extend your survival time significantly.

2. Shelter and Defense: Building a robust base not only provides shelter from the elements but also a defense against the ancient evil that haunts the forest. The strength and strategic location of your base can determine how long you can hold out.

3. Mental Fortitude: The psychological aspect of surviving in a haunted environment cannot be underestimated. Maintaining your sanity amidst the creeping dread and potential nightmares will be essential for long-term survival.

4. Adaptability and Learning: As you explore the forest, learning from your environment and adapting your strategies will help you survive longer. Understanding the patterns of the ancient evil and the forest's resources can give you an edge.

Given these factors, the question of "How long can you survive in the forest?" becomes a test of your skills, strategy, and endurance. Whether you last a few nights or manage to carve out a long-term existence, the haunting atmosphere and the challenge of the ancient evil will keep you on the edge of your seat throughout your journey.