Spirit Binding(Oriental Adventures)
Conjuration (Calling) [see text]
Level: Wu Jen 6,
Components: V, S,
Target: Up to 16 HD worth of spirits, no two of which can be more than 30 ft. apart when they appear
As lesser spirit binding, except you may call a single spirit of up to 16 HD or a number of spirits of the same type whose HD total no more than 16.
Each spirit gets a save, makes an independent attempt to escape, and must be individually persuaded to aid you.