Yolen is a planet in the Cosmere upon which the books The Liar of Partinel and Dragonsteel are set.
Yolen is home to three sentient races and was the origin of all humans in the Cosmere, with the technical exception of Scadrial where life was created directly by the Vessels of Ruin and Preservation. The original sixteen Vessels were from Yolen.
Cosmere scholars like Khriss consider Yolen as the cosmere standard when describing the properties of planets, like their size and gravitation.
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