As a result of his past, Abyss is pessimistic and desires to be useful. Despite his appearance, he is extremely shy when speaking to girls, resulting in him stammering. He is also fiercely loyal to Abel as one of the very few to accept him despite his eye. The Eye of the Devil. Abyss wears a white wooden mask, with purple markings on its cheeks. Later, the mask is destroyed, revealing a young man with long, light blue hair, tied back into a ponytail. He has jagged magic marks on each cheek.