Kilian's Dark Lord is in the Leather fragrance group and part of the Carpe Noctem (Seize the Night) collection.  Notes of Begamot, Sichuan pepper, bourbon pepper, davana, rum, jasmine, vetiver, cypriol, cedar and patchouli.  This is a suave, dignified elegant fragrance.  

From By Kilian's advertising packet:

He is a gentleman of the night and is a head-twisting mix of shadows and light. It seduces in seconds with its elegant, long-lasting accords of leather and strong vetiver, its jasmine drenched in rum, and a dandyish entrance of bergamot and pepper.

Dark Lord is an eau de parfum, edp. 

Reviews of By Kilian Dark Lord

from colognoisseur - "I think regular readers must be tired of my pointing out the versatility of Szechuan pepper in perfumery. I am going to do it again because M. Morillas marries it to bergamot which brings out the fruity grace note in the pepper while also providing a shimmering warm effect, too. A fantastic leather accord comes next. This is not biker jacket leather. This is the leather jacket of a James Bond villain; smelling of wealth and refinement. A background of jasmine adds a bit of Luciferian contrast. Next comes a rich burnt sugar-like rum accord. The Kilian line of perfume has had a number of rum accords this one is scorched with a bit of brimstone to differentiate it. It all ends in a field of vetiver and patchouli as you strike a deal at the crossroads."

from manforhimself - "Dark Lord is Kilian‘s first vetiver that took 12 years to develop. This is a divisive and extremely luxurious fragrance. Taking inspiration from a ‘gentleman of the night’, this is a gentleman that you would definitely notice as he wafts his way passed you. As a result of the pepper and vetiver, this sits very heavy. I like Dark Lord but I’m not sure I love it. What I know for sure is, if I am wearing it, I want to be sat having a whisky in a velvet smoking jacket."

More information and By Kilian reviews can be found at:

Basenotes     Fragrantica    Perfume Posse