Lord_Damocles

Torn from his friends and family after the brutal death of his Mother, a Young Zariel is tossed into the Nine Hells for the Sin of Existing. Viciously tormented by the Lords of Hell, he escapes with the help of the Weave. Broken and Defeated by Hell's torment, he awakens in a foreign world within the Realm of Aether, lost and alone.

Destined to be the Eternal Villain, Zariel arms himself against Gods and Demons and the Heros of Myth and Legends: King Arthur and his Holy Sword,  Excalibur. Sigfried and his Demonic Blade, Gram and Beowulf, and his Devil. 

Zariel sets out on a journey toward the Eternal Heavens and the Nine Hells, unsure of what awaits him.

Return of the Silver Devil

"As you should know, a Spirit Domain allows the user to perceive his surroundings in minute detail, from the smallest fluctuation of the winds to even a molecular level." Zariel began as the sun kissed the horizon. "However, did you know you are capable of masking your existence from other people's domain?"

"I know you know that. Now let me finish," he continued. "Such a basic concept should have been taught long ago. No, today we will discuss the manipulation of how to create faints when you fight using the spirit."

"Professor," Said Byleth. "Can we have an example?"

Just then, the hairs rose on the back of his neck. Perspiration dotted his brow, staining his tunic, as he whirled toward the source, startled at the gaping nothingness of the empty training hall. By the time he turned back, Zariel had walked towards him, pressing a single finger on his throat.

Dean