quick question concerning spell damage

[Boron]

Originally posted by Kristoffer O:
Flare increses dmg by 2. Most fire spells do. Lightning doesn't.

thnx i assume you mean linear +2 dmg per level above spell requirements .

so how does lighning damage increase ?
because ingame description of the spell lighning bolt says the following :

damage 14+ ( armor negating )

so does damage increase by 1 per level above requirements or should i understand your answer that it stays constant at 14 no matter how high your air level is ?
because most air spells have this pattern , thunder strike e.g. has it too .