Efficiency, of course. It's a lot of work to duplicate a character from live. From character creation with appropriate stats, to summoning an entire set of gear, to mathing armor dye colors, it's a painstaking process. For example, I use the emu at times to create signatures for friends, and duplicating their look so I can pose them how I please takes awhile currently. 
 
There was at one point a very nice utility to import Magelos into your own Emu server, which I rather much liked. I believe it's outdated, sadly. :( 
		
	
		
		
		
		
		
		
		
		
		
	
		
		
	
	
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