SRD:Pearl

Pearl, Brain Lock: This tiny pearly sphere speeds toward its target when hurled by its owner. He can hurl the pearl at any target within 130 feet that he can see and to which he has line of effect. If the target fails a DC 13 Will saving throw, the pearl seems to impact and then enter the flesh of the target. The target stands mentally paralyzed, as if by brain lock, for 3 rounds. The use destroys the item.

Faint telepathy: ML 3rd; Craft Universal Item, brain lock; Price 300 gp.

Pearl, Breath Crisis: This tiny pearly sphere speeds toward its target when hurled by its owner. He can hurl the pearl at any target within 150 feet that he can see and to which he has line of effect. If the target fails a DC 14 Will saving throw, the pearl seems to impact and then enter the flesh of the target. The target is affected as if by crisis of breath for 5 minutes. The use destroys the item.

Faint telepathy; ML 5th; Craft Universal Item, crisis of breath; Price 750 gp.

Pearl, Mind Seed: This tiny pearly sphere instantly takes on the skin tone and texture of whatever creature handles it. It speeds toward its target when hurled by its owner. He can hurl the pearl at any target within 150 feet that he can see and to which he has line of effect. If the target fails a DC 22 Will saving throw, the pearl seems to impact and then enter the flesh of the target. The target is affected as if by a mind seed power, with the pearl’s wielder acting as the manifester. The use destroys the item.

Strong telepathy; ML 15th; Craft Universal Item, mind seed; Cost 6,000 gp + 2,500 XP; Price 18,500 gp.

Pearl, Personality Parasite: This tiny pearly sphere speeds toward its target when hurled by its owner. He can hurl the pearl at any target within 130 feet that he can see and to which he has line of effect. If the target fails a DC 16 Will saving throw, the pearl seems to impact and then enter the flesh of the target. The target is affected as if by personality parasite for 5 rounds. The use destroys the item.

Faint telepathy; ML 7th; Craft Universal Item, personality parasite; Price 1,400 gp.