Lan is definitely the number one blade master as you & Moraine said "He killed a Forsaken with a blade." On the merit that Demandred beat Galad (though he was using a bit of the one power?), I would rate him second. Rand, before he lost his hand, was seeming to excel quite significantly, taking on 5 men at once? He had also received training from two blade masters, Lan & Tam. Tam, teaching him further improvements by fighting one handed. I would say third place is a toss up between Galad and Rand, besides, their half-brothers too. Gawyn would be fourth I suppose, he seemed too eager at