Eyes of the Dread Knight

These eight small, glowing orbs can be set within any armor or helm, providing the wearer with enhanced perception and a haunting gaze. While attuned to these orbs, the wearer gains advantage on Wisdom (Perception) checks and can cast Fear once per long rest without expending a spell slot. Additionally, the wearer can use a bonus action to activate the eyes' dark energy, unleashing an eye ray as a ranged attack (+5 to hit, range 30 ft.) that deals 2d6 necrotic damage. This attack also imposes disadvantage on the next attack roll against the wearer until the end of the target's next turn. The wearer feels an unsettling presence while the orbs are active, giving them disadvantage on saving throws against being frightened.