Oelm
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I may not be a seasoned player, but IMO, Korbach is a terrible starting hero. One of the main problems with the Swamp map at 160% random is the weak starting army. Korbach is an even worse start than the standard Warrior. The first turn is certainly good, but the Dragonfly has a decent chance of doing that in the hands of any other hero, unless the opponent has birds or speed artifacts.