Jaseiken Necromancer (邪聖剣ネクロマンサー) is a 1988 role-playing video game by Hudson Soft for the PC Engine.

[1] The game has never been officially translated into English despite becoming available as a downloadable purchase in United States and Europe.

[2] On December 2, 2006, Jaseiken Necromancer saw its first release on the Nintendo Wii Virtual Console in Japan.

[4] In February 2011, the game was released as Necromancer on Apple's App Store, but is no longer available to purchase.

[5] In February 2018 it was added to the United States and Europe eShops in original untranslated form, the first time the game was available for purchase outside of Japan.