Khalix 
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		  It's not much luck, but more on intuition, really.      Same guy with the same equipment mean the same cores (Usually)   However, my common assumption is that everyone lvl 30+ w/ a full set of equipment has generator in the very least.      However, again, the problem is with transparency.    Cores as-is are "Secret weapons". They can't be countered the way skills can be and even if they're single-use, they can be used in a devastating way (Like meteor+rage).   Thing is, you can view someone's skill tree and their stats with impunity. Cores are something like extra skills but again, are shrouded.  
			
								
			
			
				  
				  		 	
		  
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