Do you even understand what you wrote?
1) Necromancers have little mana, it's easy to replenish, there are different artifacts, you can get an education... and? :confused: ... enough casting spells on dark elves!? :D
2) How did you come to the conclusion that "light is not needed for necromancers" from what was written above?

I always understand what I write.
1) I just have a small problem with punctuation; there should be a comma, and I wrote that dark creatures also have little mana, but nevertheless, they still cast spells well.
2) This is a response to a barbarian's message; we were arguing about whether light or chaos is better.

Divine and holy magic is good, of course, but if you're playing against a mage who isn't going to attack, or an orc with a lot of blood and magic resistance, then light won't even have time to help. The only advantage of light is antimagic, and that's too rare.
So, I repeat, of all the magics, light is the least useful for necromancers.