[ Sylvain just jabs a finger down into the encroaching darkness lurking at the bottom of the stairwell. ]

Can you really not do anything to stop whatever is happening down there? Can you really just walk away and let it keep happening?

[ From the incredulous anger in his tone, it's pretty clear that Sylvain is pretty sure that's a 'no' from him.

He likes living just as much as anyone. But he'd assume that so does whoever that is. Unless they're not living but even then... ]