https://en.m.wikipedia.org/wiki/Siljan_(lake)

https://en.m.wikipedia.org/wiki/Élivágar

https://en.m.wikipedia.org/wiki/Eitr

https://en.m.wikipedia.org/wiki/Qliphoth

Niflheim was primarily a realm of primordial ice and cold, with the frozen rivers of Élivágar and the well of Hvergelmir, from which come all the rivers.

dragon/serpent who gnaws at a root of the world tree, Yggdrasil, Qliphoth

https://en.m.wikipedia.org/wiki/Siljan_Ring

https://en.m.wikipedia.org/wiki/Dalecarlian_language

https://en.m.wikipedia.org/wiki/Elfdalian

https://en.m.wikipedia.org/wiki/Älvdalen

https://en.m.wikipedia.org/wiki/Svartálfar

Oium
Rephaite
Nephilim

Elfdalian (people)
Dalecarlia,
Dalecarlians,
Dalesmen (dalkarlar, masar)
Daleswomen (kullor)

Siljan Lake
Siljan Ring
Älvdalen
Elfdalian
Dalarna
Dalecarlia
Dalkarlar
Dökkálfar
Niðavellir
Svartálfar