Why do you say that? Wasn't great at dueling? He fought a lot of opponents, i'm sure he learned a lot about fighting in there, more then just how to blow them up from a distance.
He defeated the greatest Echani fighter who were known for their skill in battle and Mandalore, a 1 on 1 battle. Not even to mention all those countless of other Mandelorians, Jedi and Sith he must have faced.
Originally posted by JulieDude we hear from Kriea on Korriban that the older sith masters were better duelist than the modern. But I don't believe they were more knowledgable of the force. starwars
most of the old masters probably b/c Revan wasn't all that great at dueling....he was more a strategist and mass battle fighter