Hataraku Mao-sama! Light Novel Volume 1Edit

After the incident with Lucifer, Emerada and Albert met up with Emi and gave her a quill made from an angel's feather that can only be used by angels or those with connections to them, saying that it belonged to Lailah, Emi's mother. Lailah gave it to Emerada so they could travel through the Gate without the sacred sword.

Hataraku Mao-sama! Light Novel Volume 3Edit

Some time later, while evading the angels pursuing her, Lailah arrived at the Demon Lord Castle in Ente Isla to search for the Yesod fragment. After turning the tree it had become into a glowing ball, she tossed it through a Gate where it arrived at Maou's apartment as Alas=Ramus, and then disappeared.