"Grisha" is a term that can refer to a character from the popular fantasy series, Shadow and Bone, written by Leigh Bardugo. In the series, Grisha are individuals with the ability to manipulate elements and matter using their unique powers. They play a significant role in the world of Ravka, where their skills are both revered and feared. The term "Grisha" can also refer to the broader group of magical practitioners within the same universe. Each Grisha belongs to a specific order, such as Squallers, who control wind, or Healers, who can mend injuries. This diverse range of abilities contributes to the complex dynamics of power and society in the series.