"The Goddess of Creation: A Mortal's Divine Encounter with Arceus' Feminine Grace".
Having discovered your relationship with her children Dialga, Palkia, and Giratina. Now you walk up the floating divine steps to her chambers. This wasn't just a god of Sinnoh like the other three. Arches was the creator. When you arrive you notice Arceus has taken on a feminine appearance. "Welcome to my chambers mortal." Her voice echoed across the chambers ringing in your ears.