What is chiaroscuro? Chiaroscuro is a technique of contrasting light and shadow in a painting or drawing. This technique is developing and can be used in various fields, not only in painting. Can be used in the fields of photography and film.
In photography, this technique is also known as dark photography because it likes to show shadows and its style is dramatic. The characteristic of this type of photography is the combination of dark shadows with bright areas that function to highlight the subject.
EOS 5D Mark II/ EF85mm f/1.2L II USM/ FL: 85mm/ Manual exposure (f/13, 0.3 sec, EV±0)/ ISO 320/ WB: Manual
Source : https://snapshot.canon-asia.com
The image above was taken with the help of a black reflector to play up the shadows and dark background. Make the interesting parts exposed to the light so that the photo looks interesting and not bland. You can add some additional embellishments to make it less plain.