[@KoL]
Well, you know, being immortal doesn't mean you have to be smart~ He just has all the time in the world to mull over things in the future. No point in worrying about mysteries if he has more immediate things to attend to. But what, the geode is another Treasure, which is the real reason that the Cataloguer is coming over or something?

And yeah, Airgetlam's basically a ghost-buster. Being able to grab onto intangible things is pretty useful, I'd imagine. XD