(暗黒時代 Ankoku Jidai) was a time period after the Great Collapse to S.500. in Zemuria's history in the Kiseki Universe.The Dark Ages
After the Great Collapse plunged the ancient Zemurian civilization to the brink of extinction, the remaining survivors in the later centuries struggled through a period of darkness and deterioration of humanity's spirit.
- Last of the ancient dragons, Ragnard and Chibi Ragnard
- The catacombs beneath Heimdallr, Erebonian Empire
- This reflects the real-life historiography of the Dark Ages