Es is a prominent character from the anime series BlazBlue: Alter Memory. She is a mysterious, stoic girl with striking blue eyes and hair, who possesses immense power and wields a large sword. Es is an artificial being known as a 'Murakumo Unit,' specifically designed for combat. Throughout the series, she plays a crucial role as an ally to the protagonists, often appearing at pivotal moments to aid them in their struggle against various adversaries. Her enigmatic nature and formidable combat skills contribute significantly to the unfolding of the storyline.