Gem of True Sight

Not one thrall creature of the depths, Nor spirit bound in drowning's keep, Nor Maelrawn the Tentacular, Shall rest till seas, gem comes to sleep.

900

Passive: True Sight

Grants the ability to see invisible units and wards to any allied vision within 900 range of its carrier.

Passive: Everlasting

Dropped on death, and cannot be destroyed.
Disabled while on a courier.