The Divine Bronze: "An ancient glowing metal that contains significant power, forged to inlay a holy cross."
We're not going to tell you how to find it, but if you look around Chapter 4 you will be rewarded.
Shhhh... Here's a free Steam key for Chapter 1 "First Rites" available to the first new exorcist who claims it! 4BGJ9-FHFXK-2EIMH.
Please post below if you redeem the key (so others don't try)...