I don't really know. But i had an erudite necromancer (cazic thule) before and of course, you should not lazily wander into the temple of light... but faction issues were not that big and could be addressed with a low amount of work. I think the same would be true for human innoruk clerics. Faction wise you are somewhere in between. As human you are one of the "good" races, but your religion is evil. So expect a bit of faction work in both directions to come to good terms. For me that was a nice challenge.
At the moment i play an iksar necro and you just can not compare the faction problems. NPCs are such racists
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