The Knights Radiant are a group of magical warriors in the Stormlight Archive series by Brandon Sanderson. They are known for their unique abilities, which are derived from the bond they share with sprens, mystical beings that grant them powers. Each Knight Radiant belongs to one of ten orders, each with its own specific abilities and ideals. The Knights Radiant play a crucial role in the defense of their world, Roshar, against various threats, including the Voidbringers. Their ideals, known as the Immortal Words, guide their actions and help them grow in strength and character. The resurgence of the Knights Radiant is a central theme in the series.