She studied the dancers, puzzling. "What do you mean, 'mount' him?"

"The Orisa can mount our mind and body, almost like a rider mounts a horse. Ogun wants to displace Derin's spirit and become the force that rules him. But Derin's self must first leave before Ogun can enter, since it's not possible to be both man and god at once. His own spirit is trying to resist, to ward off the god. Sometimes it can be terrifying to watch." He studied the men a few moments in silence. "Yes, Derin's body will be the one honored tonight. He's the youngest and strongest here; it's only natural that Ogun would choose him. Don't be surprised now by what you see. And Dara"—his voice grew stern—"you must not try to help him, no matter what may happen."

At that instant the young warrior's left leg seemed to freeze to the ground, and he pitched forward, forfeiting his centering and balance. He began to tremble convulsively, his eyes terror-stricken and unfocused, his body reeling from a progression of unseen blows against the back of his neck. He was still trying to sustain the ritual cadence as he pitched backward against the mill.

Now the drums grew louder, more forceful, and his entire body seemed to flinch with each stroke of Obewole's mallet. His eyes rolled back into his head, showing only a crescent of each pupil, while his arms flailed as though trying to push away some invisible net that had encircled his shoulders. He staggered across the floor, a long gash in his shoulder where the teeth of the mill had ripped the flesh, and began to emit barking cries, almost screams, as he struggled to regain his balance.

"You've got to stop it!" She started pulling herself to her feet. But before she could rise, Atiba seized her wrist and silently forced her down. None of the other men appeared to take notice of Derin's convulsions. Several were, in fact, themselves now beginning to stumble and lose their balance. But they all continued the solemn dance, as though determined to resist the force wanting to seize their bodies.

At that moment the measured booms of the large iya Hu drum switched to a rapid, syncopated beat, a knowing trick by Obewole intended to throw the dancers off their centering. The sudden shift in drumming caused Derin to lose the last of his control. He staggered toward the drummers, shouted something blindly, then stiffened and revolved to face Atiba.

His eyes were vacant but his sweat-drenched body had as

sumed a mystical calm. He stood silent for a moment, glared fiercely about the mill house, then reached for the long iron machete Atiba was holding out for him.

"Obi meye lori emo ofe . . . " He was intoning in a deep, powerful voice, declaring he would now reveal who he was.

"Ogun!"