| Knowledge Item Name | empyrean |
| Curve | Normal |
| Question/Answer | |
| Review Date | 2022/7/20 12:33:30 |
| Next Review Date | 2025/3/1 0:00:00 |
| Review Times | 12 |
| serenely in the empyrean |
| the highest part of the (supposedly spherical) heavens, thought in ancient times to contain the pure element of fire and by early Christians to be the abode of God and the angels |
| Grade | Easy Factor | Review Date | Next Review Date | |
|---|---|---|---|---|
| 5 | 2.5 | 2022/7/20 12:33:30 | 2025/3/1 0:00:00 |