True however that still leaves the others, and besides EMIYA isn't going to go right into using Unlimited Blade works in a fight, he's going to use it as a last resort and we've seen that Caster Cu Chulainn is not only capable of still fighting EMIYA but also beating him and we know his Wicker man tourched Artoria Alter who is stronger than Lancelot. and that's not talking about the others.