Tan Ellipsoid (Ioun Stone)

Price: 2,240 gp

Weight: -

Slot: None

CL: 12^th

Aura: strong divination 

Primarily of use to spellcasters who engage in mage duels (see the duel spell on page 161), this stone affords a +4 enhancement bonus to Spellcraft checks made to identify a spell being cast, identify a spell effect in place, or determine an aura’s school when using detect magic.

Prerequisites: Craft Wondrous Item, identify; Cost to Create: 1,120 gp

Source: Deep Magic