In the distant past, Oathgates were located throughout Roshar and were the means by which the Knights Radiant traveled from various locales to Urithiru, where the orders of the Knights Radiant were centered. With their betrayal of mankind on the Day of Recreance, over time the Oathgates ceased to function, whether from lack of use or lack of necessity isn't known, though Shallan thinks that they may have been sealed.
Currently, the only functioning Oathgate on Roshar is capable of transporting massive numbers of people from Stormseat (the former capital of Natanatan), called Narak by the Parshendi, at the center of the Shattered Plains, to Urithiru, located within the mountains south of The Purelake in the center of the continent.
Just why this Oathgate is still operational or hasn't been sealed isn't known, but such was suspected by Jasnah, who researched its history and imparted her suppositions to her ward, Shallan, who then followed up on her mentor's research and found the functioning Oathgate.
Prior to the novel's end, many teleportations of former residents within the various warcamps of the Highprinces have taken place and most Alethi, formerly in the Shattered Plains, are now ensconced in Urithiru (though they don't really know this or the legendary city's history). What they know is that they're safe from the Parshendi ... but the Everstorm looms.
This Oathgate is a perfectly circular plateau amongst the jagged and broken plateaus about which it is surrounded, which were created by some sort of disaster. It is obvious to both Shallan and Renarin that this plateau already existed before the disaster and that when it occurred, the plateau remained.
|“||On the old maps it was a raised section, like a giant pedestal. when the Plains were broken, it remained this way.||”|
–-Shallan to Renarin
Access and LocationsEdit
It is also known that nine of the ten Oathgates have been sealed, though by what means or by whom remains unknown.
Prior to the present day, the only way to use an Oathgate was to infuse the gemstone(s) located within the center temple of the gate with Stormlight and use a Shardblade to direct where one wanted to go. Shardblades bonded to dead spren, however, no longer work. Further, the greater the number of people to be teleported in a single attempt, the more Stormlight is required.
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