By placing an arcane connection to a person or place located within 100 miles, under the crystal, the user can see a projection of the person or place in the crystal. Based on 'Summoning the Distant Images' (InIm 35; rulesbook)
35 (Base Level)
+5 Maintaining concentration
0 1 use per day
Total level 40
(Level may be reduced by reducing the range to 20 miles and the duration to half an hour; for instance)
Usable once per day. Using the same level is might be justified by the fact that the duration is only conc. and the image have to be a copy of the user himself, while the image appears somewhere else and has the power of directing spells cast by the user.
Base lvl. 40 ?