Editing Sorcerous Arts:Rules Modifications (section)

=IOUN Stones=

In the setting of the College of Sorcerous Arts, magicians consider the magical IOUN stones to be a sort of eldritch currency. A few hundred or thousand of the stones exist, making them, perhaps, the most common magical item in existence; however, the process for forging them is unknown, and they are thus considered to be minor artifacts. Should a wizard choose to sell a stone, the going rate is about a thousand pieces of gold apiece.

When a sorcerer's stones are with them, they hang in the air within a yard of their owner, tracing slow orbits around their bodies. They are beautiful to look at: glass beads, spindles, prisms, rhomboids, and ovoids in a myriad of greens, blues, and reds. They are not merely decorative, however: IOUN stones act as both a battery of magical energy and a last-ditch defense against enemy spells.

A Magician gains bonus Valences equal to the square of the number of IOUN stones orbiting them, rounding down.

Also, when a Magician is subject to a spell's effects, they may choose to use a stone's energy to protect their person from harm. This decision may be made ''after'' rolling saves and SR. A check of 1d20 + caster level + Charisma bonus is made against the spell's save DC. If the check is successful, the spell has no effect on the magician. Regardless of success, the stone loses its magic, becoming grey and worthless.

''NOTE: These IOUN Stones completely replace the Ioun Stones in the DMG. Don't buy Ioun Stones. Buy IOUN Stones!''