Invisible Wizard Eye

Regular
Creates a Wizard Eye that cannot be seen without the See Invisible spell. Anyone who guesses where it is may still attack, but the -7 penalty for SM combined with the -6 penalty for invisibility makes it very hard to hit.

Duration: 1 minute.
Cost: 5 to cast. 3 to maintain.
Time to cast: 4 seconds.
Prerequisites: Wizard Eye and Invisibility.

Item
As Wizard Eye, but more costly.
Cost to create: 1,600 energy; $1,000 for skilled ivory carving, and $900 for emeralds and opals.