Conceptual Balance (Discussion)

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Shovah32 said:
Also, remember that along with doing huge AoE1 damage pillar of fire can set many other units on fire.

Yes, but in midgame where you wont'see Pillars but rather Fireballs, Fire Clouds or Falling Fires, all things equal a given number of Fire mages will be *less* effective than they were in Dom2 because they'll face 2x the number of troops ! Same for Air, and to a lesser extent Earth.
Later in game the BF area spells make Elem magic rules again.