Irène

Irène (イレーヌ Irenu) was the Schiff who died of Thorn, even after receiving Saya's blood. This proved that Diva's, not Saya's blood, can cure them of the fatal disease. She died on Episode 29.

Origin
Created in a lab in Khirbet, Irene, along with the other Schiff followed Moses to fight for their freedom. They killed all the scientists and broke through to live their lives. But the thorn impedes on their free lives. At first they were led to belief that Saya's blood is the only salvation from the thorn.That's why, they hunted her down and followed her up to Paris.

At Paris
After Kai saves her from some thugs in Paris, Irène tells him how the Schiff came to exist, how they are dying from the Thorn, and why they keep attacking Saya. She also tells him that they think Saya's blood will save them. At this, Kai offers to ask Saya.

Death
When the Schiff later attack Saya's group, she and Kai try to convince both sides to stop fighting because of their new friendship, but the fighting only stops when Irène collapses from her progressing Thorn. Saya reluctantly agrees to feed her some of her blood, but it ends up killing Irène. She crystallizes in front of her comrades and her broken head finds its way to Saya's lap. Her death is mourned by Kai, Saya, and the Schiff alike. Realizing its Diva's blood they really need, Irène's death is the precipice for the end of the hostilities between Saya's group and the Schiff.

Personality
Unlike her companions, she is greatly bothered by the idea of killing humans to drink their blood, refusing to do so despite its leaving her in a weakened state.

Weapon
She fights with a wide, double-sided sword.