Viggo narrows his eyes about Klaus talking about the world ending. He simultaneously thinks the guy definitely has something wrong with him, but is also reluctantly curious to actually hear whatever wild stuff he has to say.

He huffs a laugh at the idea that emotional turmoil can in any way be dealt with.

Once they're on the right deck, he's keeping an eye out for signs and such. There's a lot of stuff here, it looks like. The first bar they pass is some fancy cocktail bar, and Viggo heads inside. No one in sight. "Hello?" he calls out, just in case someone is in the back. When no one answers, he just goes and smoothly hops over the counter.