#Spell:  Cloak creator of artifact [9110]
#
Usage:  USE @@@@ <artifact> [aura]

Required aura:  one or more points
Required item:
Time to cast:   seven days

Inhibit the ability of another mage to learn the identity of the
creator of the specified magical artifact.  The artifact must be
in the inventory of the caster.

The more aura used, the more difficult it will be for another
mage to overcome the magical cloaking.

The default aura to use is one point.
Multiple casts of @@@@ on the same artifact are additive.
