The Twelve Emperors was a mountain range on the continent of Oaniru of Rigel VII (Kolar). It lay east of the city of Kolaripam.

The mountain range was so named because it bore the sculpted faces of the greatest rulers of the Thakolarivaj, the "Great Orion Empire". These were carved into the stone millennia before the modern age, over the course of the Thakolarivaj's long history. Though eroded by the 24th century, they were not yet completely erased. (Decipher RPG module: Worlds)

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