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
Monster Mythology in length (half page), though some take up two columns (full page). Each entry includes one or more paragraphs of descriptive text to indicate what sort of deity it is, followed by a brief statistics line (describing the deity's alignment, the most common alignment of its worshippers, the god's area of control, and a description of the god's symbol). Each section also describes the god's avatar and priesthood, as noted in the Introduction. The following beings are detailed in "Monster Mythology": Gods of the Elves Gods of the Dwarves Gods of the Gnomes Gods of the Halflings Gods of the