Mask of Loki
Mask of Loki (or the The Not Ordinary Mask in the film) is a supernatural artifact that is held by Stanley Ipkiss in the film and many other wearers in the comics. In reality, The Mask itself is an object surrounded by darkness and mystery. No one knows who made it, or why it even exists in the first place.
Mask of Loki
It is uncontrollable, and it unleashes something equally uncontrollable on the wearers, that are themselves.
n the original comics, the not ordinary mask was apparently created in the past for a long time, in a time unknown by an unknown tribe that originated in Africa. The ancient shamans of that ancient tribe used his ancient African techniques of secret and mystical knowledge using a kind of magic that was infused and used in the creation of the Mask which was a jade made mask and was originally used in ancient rituals performed by that tribe. When it was used, which was considered as a symbiotic relic by the inhabitants of that same African tribe, its bearer gets impregnated with fictional magical reality, gains physical impermeability and skills similar to those of a cartoon character such as those of being able of pulling random objects out of nothing and extending your body and limbs far beyond human limits.
In the film, the Not Ordinary Mask was created between the end of the 4th century AD and the beginning of the 5th century AD by Loki, the Norse god of fire and mischief in the northern lands of Europe in Asgard, supposedly of Scandinavian origin. Some very old texts describe Loki as a night god and a nocturnal creature, which fits perfectly with the Mask and its method of functioning since it only works at night, and stops to function completely with the sun’s rising during the rising of the day, returning to work when the sun sets and the night arrives.
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http://the-mask.wikia.com/wiki/Mask_of_Loki