Raziel then gave Jonathan the other two Mortal Instruments, the Gray Book, and the fitting name of Shadowhunter as a symbol of his transformation.
Soon, more men and women drank from the cup and became Nephilim warriors themselves.
In 1872, the Shadowhunters signed the first of the Accords, becoming the first step in the peace negotiations with the Downworld populace.
In 1878, the Shadowhunters of the London Institute faced the Magister and his clockwork army, whose intent was to create a formidable new race of half-Nephilim, half-demon beings, with the first of their kind, Tessa Gray, capable of several unknowable abilities—one of which was the power to Change when the demon parent is an Eidolon.
For some reason, undisclosed at this point, 1234 is a significant date among Shadowhunters: along with the Nephilim motto, the date is inscribed on the base of the statue by the entrance to the Silent City in New York.