User blog comment:Jyggalag Daedric Prince of Order/New Monsters For Future Seasons?/@comment-94.68.219.193-20130609013504/@comment-16410636-20130927001914

fenrir was only able to be inprisoned NOT illed in myth just saying maby he could be freed from hell and the only why to beat him is to FIRST trap him in a

Gleipnir (the chane he was inprisoned with) its made of 6 inpossible things
 * The sound of a cat's footfall
 * The beard of a woman
 * The roots of a mountain
 * The sinews of a bear
 * The breath of a fish
 * The spittle of a bird
 * and formed by dwarves or in norse myth Dvergr. maby sam and dean will have to recreate the chain?