Every great war has it's great General. WWII had it's Generals Patton and Romel. Rome's nemesis Hannibal Barca, and everyone knows the name Napoleon even if you don't know the name Bonaparte.
Ililtadra leads the armies of Satan. Little is known about her, and she's often regarded as a myth in the same fashion as the Neconomican or the Stay Puft Marshmallow man, but she's real. The less real you think she is the better she likes it. Clad in strategically placed but highly superfluous shiny black armor and little else, she commands the vast forces of the fallen.
She's also the patron sinner of devil-head-fortune-telling-napkin-holders. She's the one responsible for sending Captain Kirk on his little tirade of terror while waiting for his car to be fixed over a ham sandwich lunch when he should have ordered the CHICKEN FRIED STEAK!
Anyway, back to the show. Power aside I always thought the ebony weapons looked the coolest. Sure the daedric ones were stronger, but the ebony ones had an artistic craftsmanship to them.