"Just go, I'll study the situation from a distance," Vanitri says. "I think Laynie can get to the crux, that's why he wants her. But neither of us know where she is, so we'll have to play the cards we have. Just don't mention Tenny's missing."
Vanitri is going to examine the Crux from afar, wondering if there's some way it looks like it might have been triggered. He'll stay as far away as he can while doing so.
OOC: How far was Tenny form the Crux? Arcane Kn, Disable Device, Search, and Use Magic Item checks.