joligario's solution is probably the best way to do it.  In event_death on the other npc use quest::signal() to send a signal to the one you heal and have that event_signal code in the healed npc give you the item.  not sure how to deal with the heal issue. 
		
	
		
		
		
		
		
		
			
		
		
		
		
		
		
	
		
		
	
	
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