[Vash... actually hadn't really considered the question. In a perfect world, he would want Adrian to come back, simply so he wouldn't feel so alone. When he thinks about it though, he knows this place carries a deep importance to his friend. The bodies of the people he seemed to care most about were at rest here. Taking Adrian away from it would be... cruel.]

I guess that's up to you. But if there's a seal in place, then it'll probably be safe, right? And even if it isn't, someone will have to look after it.

All that is to say, no one's gonna drag you away or anything, if that's what you're worried about.