ussnorway: The wizard is a bit of a wild card but assuming you have the orc alliance or just don't mind being evil then things should work out… what with having all those goblins available (
if not necessarily keen) for summoning spells.
EvilLoynis: Wizard is 99% of the time best Pure as well. At level 20 (ArchMage) he gets the ability to cast 2 spells each round. Or 1 spell and then attacking with the wand is good as well against certain enemies.
I have never found the Orc or Goblin alliance worth anything at all. They are complete junk.
If you really need fodder for Undead raisings early on cheap Militiamen, Javlineers, Brigands or Barbarians are better options than wasting your 1 alliance. Although with a Wizard you should be able to take down at least 1 enemy quite early and use that body to raise any undead you need. I never like to let my own guys die just to use them to raise undead when enemies will do.
If you play evil I find the Orc-Alliance to be the best. If you start a shard with a lvl30 char already, then any neighboring Orc-provice will immediately offer you an Alliance due to your innane strength. Plunder your hometown 2 times & you're done. No other Alliance can be achieved so swiftly...
Bonuses are:
Free province guard that is deadcheap to maintain & strong enough to deal with Inquisitors or Brigand Plunders or Adventurers.
Base Orc to hire is the best evil tank early on, they are deadcheap, don't steal your loot etc, and are more durable than other tier1 evil units. They make good meatshields in combination with Shamans & Scout or Mage.
There is an Orc building which contributes gold once in a while, plus your income from Orc provinces is increased.
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Perhaps I'm not reading this right but you don't need a sacrifice in order to raise the Undead - bodies of slain enemies will do just fine.
Early on raising alot of Undead is pointless IMO because these units are rather weak, die often (and can't be healed incombat), they severely incapacitate your gem-income.
Also, your ability in Necromancy & Summoning will also be not maxed out early on, which makes levelling Zombies from level 6 etc onwards rather pointless because you can get later lvl16 Undead (even 19 with some luck in geardrop) right from the getgo. These zombies usually got alot of hitpoints & disease trait which makes them stronger than low level ghouls.
Although, at the end of the day, if you're going down into necromansy, the only thing you really need are 2 GHOSTS.... just stay in upper left corner & shield yourself with them.. nothing gets through.... just keep Ogres away from them... because they already have max defense & ranged defense, they get a lot of potential for offensive stats or hitpoints.