My biggest issue with Duskblade is
Whatever you did in the game, it doesnt' matter if you're 0/4, if you're an AD assassin, once you get it you can 100-0 your opponent if he doesn't have any armor even if you're 2 levels below. Assassins are supposed to be feast or famin not "feast or duskblade"
Lee jungle 0/5 ? Doesn't matter he got
and with q + r + electrocute + aa he'll one shot you