Curious about what Mephisto could want from Reina, Altair could only scratch the back of his head, unable to conceive of anything he might need from her. He'd considered perhaps it was the Duke Lord of the Second Layer of Hell, but he renounced the idea, realizing that Mephisto did not necessarily need to go through Reina to speak to a Duke, much less a Prince or King of the Hell.
Mephisto was the Eight Monarch of the Nine set across the Nine Layers of Hell. He didn't need anyone's permission.
Altair sighed, peering towards the aimless skies. He had found himself meeting more and more monsters that couldn't fit in any one box. Was Mephisto an enemy? An ally? Perhaps both. He sighed again, pulling himself together before deciding to return to his cave.
