How does the Chamber of Reflection prepare candidates for initiation?

The Chamber of Reflection is not a feature of standard English or American Craft Masonry, but belongs properly to the French and Scottish Rites 1. Where it is employed prior to initiation, it is a small, dark room adjoining the lodge, furnished with sombre emblems to enclose the candidate for serious, solitary meditation 1.

As cited by Mackey from Gädicke, the darkness and solitude of the room serve symbolically as an emblem of death, intended to impress upon the candidate the gravity and permanence of the step he is about to take 1.