From Ancient Japan, Asuka and Nara periods to the Cloistered rule/Insei period. The list is full of games with yokai and grudge spirits. In fact, all three of Japan's three biggest revengeful ghosts/Onryō - Sugawara no Michizane, Sutoku Tenno/Jouko and the well-known Lord Taira no Masakado of Megami Tensei from this period.

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Mythology | ???? - 1180 | 1180 - 1477 | 1477 - 1615 | 1615 - 1868 | 1868 - 1945 | ??????