Black Knight

Request by Ucro.
Drawn by Lagotrope.

Okay, so what I'm after is a sort of big black demon knight, looking like the ungodly lovechild of Sauron from the LOTR movies and Penetrator from Demon's Souls. Looking for the sort of crown-like helmet that Sauron sports along with a sort of sharp toothed jaw being part of the helmet. The knight having a penetrator style sword, a massive, long blade designed for well, impaling victims.