Crystallized data from Yoma Koppa Tengu.Can't be produced with current technology.
Demon
Koppa Tengu
Website and data research by 101Leafy.
Koppa Source
コパテンソース
Shin Megami Tensei Wiki by 101LeafyAll Demons IndexWebsite and data research by 101Leafy.
コパテンソース
Crystallized data from Yoma Koppa Tengu.Can't be produced with current technology.
DemonKoppa Tengu