who are the descendants of Seimei. Creation and Concept Edit The Heptagram is based on Abe no Seimei 's Pentagram that happens to be his mon . Read more Dragon Arm Yomi Okuri: Yura MAX Nibi no Tessen Retrieved from " http://nurarihyonnomago.wikia.com/wiki/Heptagram?oldid=24025 " Related Categories Category : Abilities Add a category