How works Necro Call?

[Vilk]

I don't think the book take profit of the lightning spell bonus. Archmage lightning attack (but it's not the lightning spell) doesn't take profit of it.

With int 30+ and perhaps the lightning bonus I remember in normal mode to have pain to find where cast a lighting without to hurt my troops at beginning of a battle.

I still hasn't see any book spell but I shouldn't be far to have one if I remember well. I'd be curious to see how the evil book survive in impossible mode. I'm looking to use some alternate with High Magic like book+stoneskin, book+teleport or book+Divine Armor. Too bad that the mana cost is so high.