Elder Scrolls Books TLDR Changed Ones
The story tells of a powerful god named Trinimac who had misled a group of people called the Aldmeri. Another god, Boethiah, tricks Trinimac and uses his voice to gather a group of people and reveal the truth about Trinimac's lies and the lies of other gods. Boethiah teaches this group new beliefs and practices, and in order to prove his teachings are true, he performs a symbolic act involving Trinimac. As a result, this group becomes known as the Changed Ones.