Invocation Norse rites where Odin is invoked to "ride" workers of seidr (Norse shamanism), much like the god rides his eight-legged horse Sleipnir. Indeed, forms of possessive invocation appear throughout the world in most mystical or ecstatic traditions, wherever devotees seek to touch upon the essence of a deity or spirit. Some have performed invocation for the purpose of controlling or extracting favors from certain spirits or deities. These invocations usually involve a commandment or threat against the entity invoked. The following is a curious example of such an invocation, found engraved in cuneiform on a statue of the Assyrian demon
The Weirdstone of Brisingamen rich jewels taken from a secret store of treasure under the Edge in payment for his horse. The majority of the non-English words used in "The Weirdstone of Brisingamen" have been adopted from Norse mythology. For instance, the svart-alfar are described as the "maggot-breed of Ymir", a reference to the primeval giant of Norse myth, while the realm of Ragnarok, which in Garner's story is the home of the malevolent spirit Nastrond, is actually named after the Norse end-of-the-world myth. Fimbulwinter, the magically-induced winter weather that hinders the children's escape, also refers to Norse eschatology. Other terms are taken not