Aura moderate transmutation; CL 12th

Slot none; Price: 24,000 gp; Weight —.

This stone grants you a +2 enhancement bonus to Constitution. The enhancement bonuses from multiple onyx rhomboids stack (up to a maximum of a +6 enhancement bonus to Constitution).

Cracked: Individually has no effect; when used in pairs, each pair grants a +2 enhancement bonus to Constitution. The bonuses from multiple stones (cracked or otherwise) stack, up to a maximum of a +6 bonus. Price: 12,000 gp.

Flawed: This stone grants a +2 enhancement bonus to Constitution per stone, stacking up to +4 total. These stones do not stack with non-flawed onyx rhomboid ioun stones. Price: 16,000 gp.

See Inferior Ioun Stones for details on cracked and flawed variant stones.

Craft Wondrous Item, bear’s endurance, creator must be 12th level; Cost 12,000 gp