fuckyeahasgard:  Loki, Alberich and Odin by Arthur Rackham Loki, himself a shape-shifter, pretends to be alarmed by Alberich's ability to take the form of a serpent.  He pretends to doubt Alberich's ability to shift into smaller forms, at which Alberich transforms into a frog.  Odin and Loki then trapped the frog and stole his magical helmet.
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