Reckoning Tablet

The Reckoning Tablet was a ancient Bajoran artifact. It was discovered under the ruins of B'hala by a team of Bajoran archaeologists in 2374.

History
The tablet was over 30,000 years old before it was discovered. The writing on it was written in Bajoran ideograms. The first part of the tablet that was easily decipherable were two symbols that said: "Welcome, Emmisary".

Seeing this message, Starfleet Captain and Emissary Benjamin Sisko took the tablet to Deep Space 9 to ascertain it's meaning. During this time, Sisko then had an urge to break it, unleashing a Prophet and a Pah-wraith. The two beings then fought each other until Kai Winn ended it.

Alternate Reality
In a future of the created by Q, the tablet had been discovered by  and the Bajoran Resistance.