Better to use a laser than a candle. Then you could have your own "Charles Stross: Laundry Files" style laser pentacle.
The tunnels in Egyptian tombs were painted without finding any smoke residue from the artist candle or oil lamp on ceilings, suggesting they perhaps used this method of shining light from a burnished bronzed parabolic dish down the tunnel which has been found to be impractical as the deeper the tunnel goes the more diminished the light becomes.
It has been suggested by other investigators that they used battery-powered electric lights from some of the carvings found on monuments. Make of it what you will.
Below: Electric lightbulbs documented in use at the Temple of Hathor in 2020 B.C. To our knowledge, the electric lightbulb had not been invented until Thomas Edison created it in the 1800's A.D.
What type of mirrors are you talking about?
Google can not answer, for it is not a real practice of crafts, it only collects information it feels may be true.
These things you have to know yourself and how to do it successfully.
You only need one candle, but what mirror you use is up to you and to understand.
Nah, that’s more of decoration.
The concept is still the same. Using mirrors to reflect more light. It won't focus the light.
A’well he probably figured it out by now.
A parabolic mirror will focus the light which is the old way of making a spot-light with a candle or oil lamp. However, a laser is a more interesting solution.