Board Thread:Skyrim/@comment-124.197.17.180-20140717102252/@comment-29458028-20140717121231

No, it dosen't. While it attacks at 50% faster, even with all perks you will do only 63 damage per hit, which is abysmally low. A fully perked greatsword will do nearly 75 per hit (not counting enchants). You can't smith the ebony blade and a legendary quality greatsword will do nearly 105 damage per hit.

The ebony blade is useless. Really