Lilith Sahl is Krusnik 04. During the The Dark Ages, Lilith fought with humans against The Night Lords, supporting the Terrans against the Methuselah. She was killed by Cain Knightlord under the guise of a truce. Her death was the reason why Abel left the war. Her body currently resides in a tomb under Rome, where Abel mourned her death for 900 years. In the legends of her in the main events of the series, she is known as "Naia Sancta", meaning the Holy Nymph in Latin, and also The Black Saint.