Is Magick Sense on all the time, or only when concentrated on (i.e., when the Player starts asking questions)?
Magick Sense is on all the time, but at such a low threshhold of perception that it blends into the normal sense with which it’s linked. When you actively focus upon it, you notice it more. Most characters don’t have to actively focus their Magick Sense to notice typical magickal emanations. However, if the magickal emanation is weak, hidden or obscured, or cloaked, then the characters will probably have to actively focus their Magick Sense to perceive it. You might even want to consider a PER Save to see if they can notice the emanations even while actively concentrating (but only if you don’t mind being pelted by your foaming Player’s dice, miniatures, or small tactical nukes). Do default Skill Saves (e.g., tightrope walking without acrobatic training) equal the appropriate Attribute Save X2? That’s a fair way to do it. Even when the Attributes begin to get percentile Saves. Thus, if a PC were to attempt to walk that tightrope, even without prior training in Acrobatics, he would have
