Sigrun is found at a camp within Northern Bruinen Source in The Misty Mountains, south-west of the entrance of Helegrod. He and Greip provides adventurers with a Camp Site Fire and a Mustering Horn, at the crackling fire in this secluded spot in the mountains.
-  In Sight of the Bitter Stair
-  Ancient Foes of the Spider-bane
-  The Extent of the Threat
-  Old Friendships
-  The Worm-hunter's Lament
-  Epilogue: Trail of Rust
-  Thorog's Legacy
-  Instance: Thorog's Legacy
- A Nordic name "Sigrún" means "secret victory", partly coming from "seger" (victory, still used in all Scandinavian languages) and "rún" (secret, the plural rúnar means "magic"). "Sigrun" was also the name of a female Valkyrie in Nordic myths. Tolkien used Sigrun for a female character in a poem named "The Legend of Sigurd and Gudrun" which alludes on the Nordic myth. Obviously Turbine did not do their gender-in-languages lessons very well while giving this sturdy dwarf a girl's name.