Blood Red Ioun Stone

Exit Forest of Wyrms, you'll be waylaid in Forest Paths, help the small dragon, it will reveal a hidden cache northwest of the area map, in which you'll find a Blood Red Ioun Stone.

In-game description
General description:"This is a small stone that floats in an orbit around the owner's head. Simply equip the stone to set it in its orbit. These obviously magical stones have different properties depending on their color." Identified description:"This spherical stone gleams crimson, like a hardened globe of blood. Once activated, it can enhance the wearer's hand-eye coordination, reflexes, and balance, which makes it a highly prized accessory among rogues."