Gem of Seeing [Камень зрения]
Чудесный предмет, rare
Recommended cost: 501-5 000
Wondrous item, rare (requires attunement)
This gem has 3 charges. As an action, you can speak the gem's command word and expend 1 charge. For the next 10 minutes, you have truesight out to 120 feet when you peer through the gem.
The gem regains 1d3 expended charges daily at dawn.
Source: D&D System Reference Document 5.1, © Wizards of the Coast LLC, licensed under CC BY 4.0.