| 1 | A plague never broke out and drochs were only able to grow in the dark. | |
| 2 | He had been kept alive and young by Dzym, a mutated droch. (Drochs were insect-like creatures that could burrow into the flesh and consume life; | |
| 3 | Drochs were parasitic insects that burrowed under beings' skin and drank their life energies and intelligence. Their feeding was the source of Death Seed plague. | |
| 4 | Though they began life as non-sentient creatures, Droch could gain true sentience after draining enough intelligence from a host. | |
| 5 | Smaller ones were killed outright by the light, larger ones proved unable to harm their hosts and were harmlessly absorbed by the body as nutrients. |