If K'zeka knew Zagreus a little better, he'd be very tempted to attach himself to the god's side and not leave just for the constant warmth. He's not going to, but he is going to lean against the man when he settles himself nearby and stay there until Zagreus objects or moves.

"More than I think one candle can really represent, I think." But one candle will have to do due to time constraints, materials, and K'zeka's patience.

"Underworld? If that's your home...does that make you one of the deceased mortals, or...?" He's not even sure what the alternative would be--a death god? A living being who just happens to live in a place he shouldn't?