Everyone knew that the New Church of Horadrim and the Old Church of Horadrim were organizations formed by powerful wizards summoned by Archangel Tyrael. Because of Tyrael's existence, the significance of this organization in Sanctuary was extraordinary. It represented justice and the hope of the humans in Sanctuary.
The humans of Sanctuary were a very bitter group. On this land, they had experienced too many wars. There was the war between angels and demons, the war between humans and demons, and the wars between humans. The traumatized land was almost at its limit, and so was humanity.
But in order to survive, they could only grit their teeth and fight. After a long period of war, the humans of this world had some special qualifications—they could react extremely quickly in the face of crisis.