In 19 BBY, at the time of the issuance of Order 66, a lightsaber duel was fought on Nicht Ka between Jedi Master Ekim Ryelli and Telloti Cillmam'n, a member of the Jedi ExplorCorps who had been corrupted by the armor of Warb Null. At the end of the violent duel, Cillmam'n managed to behead Ryelli.