Fafnir his foster-son Sigurd to kill the dragon. Regin instructed Sigurd to dig a pit in which he could lie in wait under the trail Fáfnir used to get to a stream and there plunge his sword, Gram, into Fafnir's heart as he crawls over the pit to the water. Regin then ran away in fear, leaving Sigurd to the task. As Sigurd dug, Odin appeared in the form of an old man with a long beard, advising the warrior to dig more trenches for the blood of Fafnir to run into, presumably so that Sigurd does not drown in the
Mythology of The X-Files commented that it "went awry during the inscrutable sixth season finale". IGN's Dan Iverson wrote, "I loved the X-Files from the moment I started watching it, due in no small part to the mythology that Chris Carter created. Even though we all loved the 'monster of the week' episodes, these less ostentatious gems kept us interested in what could come in the long run. The overall story arc may have eventually fizzled out, but the questioning, open-ended nature of the stories nevertheless kept us at the edge of our seats." For the first five seasons, critics praised the development in