Sorin Markov is a fictional character from the Magic: The Gathering trading card game. He is a powerful vampire planeswalker known for his mastery of black magic and manipulation of life forces. Sorin is often depicted as a brooding figure with a complex history, including his role in the creation of the Eldrazi. In the lore of Magic: The Gathering, Sorin has played significant roles in various storylines, particularly in the Innistrad block. He is known for his connections to other planeswalkers, such as Liliana Vess and Nahiri, and his efforts to combat threats to the multiverse, including the Eldrazi and other dark forces.