Cassius returned the gesture of a thumbs up to Nari, he appreciated the praise but it wasn't really needed. He easily heard Sashia's words, that was a compliment he'd humbly accept. But it full truth he didn't understand it, he wasn't very understand of emotions, all he knew was battle and war. The world he lived on required it and for what he was his power was subject to prejudice. He followed his team, keeping his eyes out for any mechanized war machines like the one he faced previously.