The tempest prognosticator is a type of barometer that relies on the movement of contained leeches to detect an approaching storm. Tempest prognosticators have seen limited use, mostly as vanity items by wealthy Tirionite and Eretreban merchants.
The tempest prognosticator is a type of barometer that relies on the movement of contained leeches to detect an approaching storm. Tempest prognosticators have seen limited use, mostly as vanity items by wealthy Tirionite and Eretreban merchants.