What if just before the villains got sent to the isle, Elsa became pregnant with Hades' child? Hades and Elsa had fallen in love and when the child was born, it was sent to the isle along with Hades. Elsa grew depressed from the loss of her child and the person she loved. She became sick and eventually died. When Prince Ben decided to give the VK's a chance, Ellie was given a chance too.