It's not like what's imagined, it's not like you may think. It is not simple either. It's a mystery, like a pandora box. You have to open it to see the unknown, how much fear you will feel and how much effort you will need to survive. The decision you are delaying and the step you are not moving forward to! Let me tell you, no matter how hard it will be, nothing will appear until you go there. If you are closing your eyes fearing that the monster that may be waiting there, then make sure to close your eyes until you die because you always will be at the same spot. And then, I can guarantee that your fear will be much bigger and the monster will even be stronger.
Open your eyes and just enter that dark territory before it is too late. The huge fear will only last for seconds and once your eyes adapt the darkness, your mind will be able to defeat the frightening monster because your heart is feeling safe. It's not simple or hard, it's just challenging as you will need to gather your courage to defeat the little kid inside you who feels insecure. It is your decision and it is always better to be now than then.