Kerrigan is a fictional character from the popular video game series StarCraft, developed by Blizzard Entertainment. She is known as the Queen of Blades and plays a central role in the game's storyline. Originally a human named Sarah Kerrigan, she was a skilled ghost operative before being betrayed and transformed into a powerful Zerg leader. As the Queen of Blades, Kerrigan commands the Zerg Swarm, a race of alien creatures. Her character is complex, embodying themes of revenge, power, and redemption. Throughout the series, she navigates her relationships with other key characters, including Jim Raynor and Arcturus Mengsk, shaping the fate of the galaxy.