Symon catches Dirk's eye and waves to let him know he's leaving, and joins Adam. "Yeah. It can help you tell when something is going on, too. Sense an active enchantment, even figure out what kind if you're good enough, or familiar with it. Knowing the ins and outs of magic, that's gremayre. Zane knows... a decent bit about it." This last, an aside, as if reluctant to praise someone else's knowledge.