Dangerous Icicles Cave Escape

You often hear voices in his head. They call you, tell you to perform some action. One day, you woke up on that voice calling you to the cave. There, you can get free from such votes. You go there, but when you come, there was an earthquake and the entrance filled up with stones. Now you're trapped in this terrible cave with crystals. Look around and find useful items that will help you find the way out.