He eyes the young man for a moment, considering the offer. They share, at least, a mutual curiosity regarding this room. Before the stranger entered, Ren himself had been studying the room, trying to figure out the tech that must be involved. Difficult, since it wouldn't respond to him with anything other than pleas for him to nap.

At least now the room's programming seems to be producing something.

"Stay." If it weren't for the mild tone of his voice, it could almost sound like an order. Instead, it's an invitation, an attempt at a guarded almost-friendliness. "I'd like to see what this place is capable of."