Serrin was busy himself, locking together a series of bizarre stone plaques around a leather strap, jiggling them into place, and finally tightening it around his shoulder and hip. "I thought I’d better put a priority on protection and disguise. I’ve got to make it as hard for them to see us as possible, and that means everything—magical detection, IR scans, ultrasonics—though I don’t think chip-hounds will be a problem. We should be well away before they can get them out of the compound. This little bunch," he added, gripping the belt around his body, "adds some power along the line. I won’t bore you with the details. Key thing is a chaotic shift. How much do you know about spellcraft?"