Olympia: The Age of Gods PBEM (May 4 1999)
Usage: USE 9169 [aura] Time to learn: 28 days. Time to use: 3 days.
Attempt to prevent other mages from successfully scrying the caster to learn magical abilities. Creates an ability shroud with the given amount of aura. A greater amount of aura must be spent by another mage to pierce the shroud.
The default amount of aura is one point.
The magical shroud loses one point of aura at the end of each month. Successive uses of 9169 are additive; USE 9169 1 followed by USE 9169 3 will result in an ability shroud with an aura of four points.