Tactics and strategy in Heroes of Might and Magic V.

3. Regarding the Necromancer - you won't care about these classes... because defense doesn't increase defense (yeah, right...), but reduces damage... by 30%...

p.2. With defense, a mage won't be able to kill you....
And I didn't say that magic damage is reduced... 30% of physical damage is reduced - everyone knows that....

So you're not a noob.