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 is the founder and leader of the Seven Disasters.

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

After  absorbing part of the Sins and Rimuru's powers, Lillia's eyes gets a lighter tone and her hair becomes longer and light blond.

History
Lilia was a former apprentice of Merlin, however, after enraging with her master, she left Merlin and started to learn magic by herself to, maybe one day, be able to surpass Merlin as a magician.

Times later, Lilia tried to summon someone who could grant her wish of the world's destruction and ends summoning Rimuru Tempest and, unintentionally, his friends, Benimaru and Millim Nava, who were with in the moment he was summoned, by casting an invocation spell that would bring the 'Great Storm' to her. In a failed attempt to convince the slime to fullfil her wish and not having chance against Rimuru's powers, she escapes.

By causing a rupture on the space-time fabric after her failed summon, she also causes several monsters from different time periods of the Jura Forest to appear around Britannia and, controlling them, she uses a forbidden magic that redirects to her every magical attack used against the monsters, being it converted in power.

After absorbing a great amount of magic from the Sins and Rimuru, she awakens a mysterious power that turns herself into a demon.

After the battle, she teleports herself to near a forest in order to escape from the group and, wishing to have allies who share her ideology of destruction, she continues her wave of murders to obtain the necessary sacrifices to her summons and, shortly after, she involuntarily summons a mysterious woman named Valenty and due to the similarities between their ideologies, they quickly become friends. Then moments later, she is surprised by a sudden attack of the Sins, but is able to escape with her new friend's help. After that, Lilia decides to build her own group in order to achieve her goal to bring the disaster to Britannia titled as the "Seven Disasters", after that, Valenty separates from her after the Weapon Researcher decides to explore Britannia.

Some point after Valenty's departure, Lilia reunites with her after sensing the enormous amount of magic power used by her teammate and after using the crystals collected by her friend in Balleno, she is able to summon the brand new member of the Disasters, Eastin Anamabyllis.

Some time later, she's surprised by a sudden attack of Merlin, being captured by her in the process. Before being taken away, she asked Valenty to search Eastin for help.

Later, she is able to escape from her space-time prison and, with Eastin's help, is able to defeat both Gowther and Ban wich where waiting to ambush her friends, being able to escape once more and reunite with Valenty and her new companions, Eastin and Mono, officialy join them.

Times later, she is able to summon new members for her team, the Dungeon Conqueror, Shin, and the Lunatic Destroyer, Roxy. However, for unknown reasons, she started to loose control of hers powers afer the new members' summoning.

Abilities and Equipment
Little is know about Lilia's magic powers, however, she seems to be powerful, since she was able to kill several Holy Knights and use them as sacrifice for her summons and like her former master, she also posses an magical orb called Spy Eye used by her to channel most of her spells. Also, as a Druid, she posses some level of healing magic, visible on her spell Eroica (エロイカ).

After awakening the Ruler of the Storms' powers, she summons and controls a powerful black dragon she uses to cast her spells. Due to this transformation, her powers raises drastically to the point to resist the combined efforts of the pre-Commandments saga Seven Deadly Sins, Rimuru Tempest, Milim Nava and Benimaru.

Recently, she demonstrated that started loosing control of her powers for unknown reasons.