Time Of The Twins by Margaret Weis

In this fantasy novel, the story follows the complex relationship between the powerful and ambitious mage Raistlin Majere and his compassionate twin brother Caramon. As Raistlin seeks to ascend to godhood, he manipulates time and reality, drawing Caramon into a dangerous journey that tests their bond and loyalty. Alongside the cleric Crysania, who is drawn to Raistlin's dark allure, the twins navigate a world of magic, prophecy, and moral dilemmas. The narrative explores themes of power, sacrifice, and the enduring ties of family as the characters confront their destinies in a world on the brink of chaos.