Marivia has held 10,423 years of life. This has led her to her current mental state, as well as given her the knowledge of the world she has known for home for so many a millennia. She had been born into a very kind family consisting of her mother Keahna Shimmertide and father Marxas Thickhide, who her namesake is from. Her mother was a loyal Priestess of Elune, while her father held position among the Druids of the Claw.