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					Originally Posted by  konming
					 
				 
				Bad events are NOT checked against each fortune teller. In fact, they are checked against the sum of all fortune tellers in a province. If you have ten fortune teller 10 mages in a province, they will block 100% of all bad events, instead of 65% if the events are checked against individual fortune tellers. 
			
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 I tried to suggest the same thing in other threads.
I think this same principle occurs in many different areas.
For example, if you mod 4 25% chances - the game will sum it to 1 100%.
That being said, I'm playing ashdod in stasis, and I took either a Mis2 or Mis3 scale.  I believe 2, as I still wanted to get national heros.
I have built fortune tellers on all castles... and have had maybe 2-3 bad events in the entire game.
That being said, its isn't a viable strategy, even with magic 3.  The fortune tellers simply cost too much (at least for ashdod) and tie up build slots to keep your magi research competitive.