The Tieflings of Roshar are a people born to other races and influenced by the Lower Planes. Their devilish appearance and origins often cause other races to view them with suspicion and fear, believing them to be chaotic or evil. However, Tieflings are not inherently more evil or chaotic than any other race.
Despite the prejudices they face, Tieflings can be found throughout Roshar. However, they are most commonly found in Holy Dominion of Estwatch, which serves as the epicenter of religion in the world. Tieflings have found acceptance in the Holy Dominion due to their shared devotion to the gods.
Despite their differences, Tieflings share many traits with their non-Tiefling counterparts. They have the same range of emotions and motivations, and can be found in a variety of professions and roles. While some may choose to embrace their devilish appearance and use it to their advantage, others may choose to downplay their appearance in order to fit in with non-Tiefling societies.
Overall, the Tieflings of Roshar are a complex and diverse race, whose devilish appearance and origins belie their true nature. They are a reminder that appearances can be deceiving, and that true acceptance and understanding can only be achieved by looking past outward appearances and getting to know the individual beneath.