Items / Sentry Ward
Sentry Ward costs 50 gold in Dota 2 patch 7.41f.
Plants a Sentry Ward, an invisible watcher that grants True Sight, the ability to see invisible enemy units and wards, to any existing allied vision within a 1050 radius. Lasts 7 minutes. Does not grant ground vision. Hold Control to give one Sentry Ward to an allied hero.
A form of plant originally grown in the garden of a fearful king.