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 "Graveland"): Their early work focused on Celtic and Slavic mythology, while their later work focuses on Norse mythology and Wotanism.
Relevant evidence: No