Under Illefarn
| Code | N5 |
|---|---|
| TSR product code | 9212 |
| Rules required | 1st Ed AD&D |
| Character levels | 0 - 3 |
| Campaign setting | Forgotten Realms |
| Authors | Steve Perrin |
| First published | 1987 |
| Linked modules | |
| N1, N2, N3, N4, N5 | |
Under Illefarn is a Dungeons & Dragons module. It was the first module designed for use with the Forgotten Realms campaign setting and officially labeled as such.