Scadrial is a fictional planet in the Cosmere universe created by author Brandon Sanderson. It is known for its unique magic system called Allomancy, which allows certain individuals, known as Allomancers, to ingest and "burn" metals to gain various powers. The planet has a rich history, marked by significant events such as the Final Empire and the Catacendre. The environment of Scadrial features diverse landscapes, including vast plains, mountains, and cities. The planet experiences a unique cycle of day and night due to its two suns, Ruin and Preservation. The inhabitants of Scadrial include various cultures and societies, each with its own beliefs and practices, contributing to the planet's complex social structure.