>Mikulio ( ミクリオ, mikurio, romanization not yet official) - designed by Mutsumi Inomata, voiced by Ryouta Ohsaka.
>"Slay is that kind of guy. Even as his childhood friend, it's agitating to watch him."
>Mikulio is Slay's/Thray's best friend who is in fact, one of the Divine (please read here for information about the Divine and whatnot). He's 165cm tall and his weapon is a long staff. He is Slay's childhood friend and also his rival, and is a smart, level headed guy. Since Mikulio is one of the Divine, he is actually invisible to normal people, and only Slay can see him.
>noone else can see him
Inb4 he's revealed to be sleighs imaginary friend of an old dead childhood friend.