
1) Christian apocalyptic writing 2) Epic poem in German
Found on
https://www.crosswordclues.com/clue/muspilli

Muspilli is one of two surviving pieces of Old High German epic poetry (the other being Hildebrandslied), dating to around 870. One large fragment of the text has survived in the margins and empty pages of a codex marked as the possession of Louis the German and now in the Bayerische Staatsbibliothek (cim. 14098). The beginning and end of the poem...
Found on
http://en.wikipedia.org/wiki/Muspilli
No exact match found.