well for the area buffing thing i was wondering if splash could somehow be used.
and does anyone know how to put a limit on how many of a certain troop can be out at once?
You could make a new resource, something like "Hero's Fire" or something, put it at a 1 and make sure no buildings can produce that kind of resource. So when you make a hero that resource goes to 0 and when your hero dies it becomes 1 again.
As for making the hero cost 3000 gold? that's a bit too much, in a multiplayer game you have to constantly make units and upgrades....i doubt anyone would save up to 3000 gold unless one player is just simply way better than the other. you should make it at a 1000 gold, reachable, but not too reachable.
A hero does not make this RTS into a RPG either, it simply makes it more interesting. A WC3 clone isn't bad, the whole idea of WC3 is beyond just simply good, what's so bad about taking a few ideas from it? It's not actually a WC3 clone anyways, just simply having a few same units doesn't make it a clone. Age of the Empires has swordsmen and so does glest, does that make it a clone of Age of the Empires? The first RTS compared to the second doesn't make the second a clone either. WC3 is just like that, the first RTS with heroes, Glest can be the second without beening a clone. A hero would definetly improve the game.
MAGIC HERO:
Level 1:
2x hp as the Archmage
armor: Leather=5
Energy: 1400
attack: XXXXX
damage: 250-300
splash: 5
should start out as a pretty weak unit and increases in power as it levels, should have a few unlocked abilities as it levels (level 2: Magic Aura: Archmages damage increases by 50)
Level 2:
?????
?????
Level 3:
?????
?????
So on
Tech Hero:
Level 1:
2x hp as the knight
armor: 1.5x of knight's armor
attack: XXXXX
damage: 300-400
(Aura of the Paladin: Knight walking speed increases by 100, attack increases by 50)
Level 2:
?????
?????
Level 3:
?????
?????
So on