| Category | Heroes |
| Region | Aerie of Dragons |
| Race | Tragaran (Demi-Lich) |
| Gender | female |
| Title | |
| Alignment | chaotic evil |
| Deity | Melrith |
| Birthplace | |
| Born | |
| Undead |
From the year 1245 to 1451, Diedriss served as the Nature Protectorate for the Aerie of Dragons.
On the sixteenth day of Kindle in the year 1256, Diedriss established the Decay Conclave.