At one point, as a gift from Oghma for his loyal service, he used a wish spell and the god gave him the ability to know everything that went on around him. Overwhelmed by the knowledge, Simov retreated into the isolated Seshrentor, where Khelben Arunsun brought him books that he copied and collected books.
Simov dwelt in Seshrentor, a tower north-northeast of Llorkh in the Graypeaks. The former home of the defeated lich, it served as his scriptorium and was stuffed with the many books he collected or copied, some given to him by Khelben.
Thanks to his wish, Simov knew everything that happened around him in a one-mile (1.6 kilometer) radius, including the movements of all people and even their thoughts.
Simov preferred to stay alone in his tower, in order to remain sane after the effects of the power that Oghma gave to him.