Well，joudo-daira

Kings of this land.
They are called "Oshu Fujiwara".
("Oshu" meaning is "northeast region of Japan")
　
The 12th century, they ruled this land over four generations.
Except the last king who died in the war, they were buried as a mummy in the golden temple.

・・・・・・・・・

When have realize heaven on earth by the merit of Buddhist scriptures.
Therefore，when this world has become the kingdom of heaven.
Then their mummy reborn in this land as one of god of Buddhism.

”Reproduce heaven on earth by gold.”

This mummy idea comes from it as well.

・・・・・・・・・
　
Well，joudo-daira. (lol)
And hourai mountain.
　
The elixir of life on Hourai mountain.
Reborn in joudo.　（reborn in the kingdom of heaven ）
　
These two is unrelated ideologically?