What the Hell Did the Normans Bring to the Table?

Byzantine chroniclers thought all franks were irresistible chargers. But even they seem impressed by normans and norman leaders. What the heck did these guys bring to the table, that might account for this success? Well, i think on a personal personality level, it's always tempting to seem akind of viking, outwardly mobile mentality. Then, describe what these guys look like for a describewhaat the byzantines were seeing when they ran into normans as peopleo. We chould tell a norman by the long, tear drop shaped shield. But they look like dolf lungren, don't they? The descriptions. O bfate