Lillia

is a mysterious young mage and a former apprentice of Merlin. She is an original character made for Hikari to Yami no Grand Cross mobile game. She's a member of the Seven Disasters.

Apparence
Lillia is a young woman with light skin, dark purple eyes and short black hair.

After summoning absorbing a mysterious dark powers, Lillia's hair becomes longer and turns to light blond

History
Lillia was a former apprentice of Merlin and possibly learned every thing about her magic powers with her, however, after Merlin discovers about Lillia's ambition on using her powers to summon a mysterious evil force to Britannia, the Mage left the apprentice's side.

After being abandoned by Merlin, she begins to study by herself someway to summon this evil to the world, however, in one of her attempts to summon it, she ends up creating a portal connecting Britannia to the Jura Forest, meeting Rimuru Tempest in her visit.

Abilities and Equipment
As one of Merlin's apprentices, she's a very powerful mage, having enough power to create portals that can connect other worlds.

Trivia

 * Merlin mentions in OVA 2 that magicians doesn't posses healing powers, however, Lilia is able to cast a healing spell named Eroica (エロイカ).