Aura moderate transmutation; CL 12th
Slot none; Price: 10,000 gp; Weight —.
This stone grants you the Endurance feat.
Cracked: This stone grants a +4 bonus on one type of check affected by the Endurance feat. Price: 1,400 gp.
Flawed: This stone grants the wearer the Endurance feat. Anything that would make the wearer fatigued instead makes him sickened. Anything that would make the wearer exhausted instead makes him nauseated. Price: 8,000 gp.
See Inferior Ioun Stones for details on cracked and flawed variant stones.