Mystiques

"Are you still studying that last fight?" A silver-haired man asked as soon as he entered a dark room filled with nothing but candles.

Then, he went into the person meditating at the center of the area; the floor underneath him had a magic circle written in blood.

"The next time we spar, I swear I'll go easy on you," the man added, smirking.

"Silence," the other man replied in the lowest tone possible, and he opened his eyes the next moment.

The iris on it had a peculiar trait; it had a mixture of colors, from the outer layer of calm blue up to the raging hue of red located at the middle of his pupils. There were even some pigments of green and yellow scattered around it.

"What brings you here, Eighth?" He asked as he looked at his guest.

"I have a name; how many times do I need to tell you that?" The silver-haired demon replied while fidgeting with a black dice between his fingers.