Question: What sources, both before and after the pagan period, is the mythology derived from  that is also the mythology featured in Mats Wendt's 16 hour-long cybersyomphic work "Eddan - the invincible sword of the elf-smith"?
Sentence (from "Mats Wendt"): His best known work internationally is "Eddan - the invincible sword of the elf-smith", a 16-hour-long "cybersymphonic" work on Norse mythology according to Viktor Rydberg.
Relevant evidence: No