Aeon Stone (Black Pearl)Equipment 12
Source Pathfinder Core Rulebook
Price 2,000 gp
Weight negligible
This black pearl sparkles with light. The resonant power allows you to cast Sending once per day.
Activate 
envision
Trigger you are targeted by a mental effect
Effect You receive a +4 status bonus to your saving throw against the triggering effect.
Whether or not your save is successful, the aeon stone attempts a counteract check at 1d20+30 to immediately reflect a copy of the effect back at the originator, targeting it using the creature's own relevant statistics but controlling the effect as if you had cast it.
Every time you activate this aeon stone, attempt a DC 5 flat. On a failure, the stone shatters and loses its magical properties forever.
Effect: Aeon Stone (Black Pearl)
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
InvestedA character can wear only 10 magical items that have the invested trait. None of the magical effects of the item apply if the character hasn't invested it, nor can it be activated, though the character still gains any normal benefits from wearing the physical item (like a hat keeping rain off their head).
MagicalSomething with the magical trait is imbued with magical energies not tied to a specific tradition of magic. A magical item radiates a magic aura infused with its dominant school of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.
TransmutationEffects and magic items with this trait are associated with the transmutation school of magic, typically changing something's form.