Warning: This is 3.0 Edition material. It is possible that there is more recent 3.5 Edition version.
Inaccurate?

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.

Also appears in

  1. Complete Arcane