Based on the story provided, here is the evaluation of its Tragedy Degree and Comedy Degree:

1. **Tragedy Degree:** While the story has elements of suspense and eerie atmosphere, there are no significant tragic events or emotional setbacks. The exploration leads to excitement rather than sorrow or loss. Therefore, the Tragedy Degree is relatively low.

2. **Comedy Degree:** The story does not focus on humor or light-heartedness. It maintains a mysterious and adventurous tone rather than a comedic one. There's no significant comedic relief or happy ending that strongly elevates emotions to delight.

Here are the scores based on the criteria:

```json
{
  "TragedyDegree": 3,
  "ComedyDegree": 2
}
```
