Casket of Ancient Winters

The Casket of Ancient Winters, is an item featured in the Thor fanfiction, Thor AU: Sigrid Odinsdottir.

History
In 965 AD, Laufey and his team of Jotuns went down to Earth to use the power of the Casket of Ancient Winters to bring about a new ice age. However, Odin stopped Laufey, but they reached on an agreement as Odin took the Casket to Asgard.

Later, Odin brought his young sons down to look at the casket of ancient winters and tells them the history of how he got it. A couple centuries later, he takes his daughter Sigrid below for her to look upon it and know the history. However, her curiosity of the object brings her close, Odin stopped her and warned that she could set off an eternal winter if she touched it.

Usages

 * It can freeze landscapes.
 * According to Odin, when his young daughter Sigrid almost went near it, Odin stopped her and warned the child that she was capable of bringing an eternal winter.
 * Whenever Loki uses the casket's powers, his physical features revert back to his Frost Giant self and was able to use it.

Possessed by

 * Laufey
 * Odin
 * Loki

Used by

 * Laufey
 * Loki

Used on

 * Humans
 * Heimdall
 * Asgardians