In theory, if we look at things objectively, there are 3 good cities, 3 neutral cities, and 3 evil cities in the game. And the developers and writers made them that way, not me. I just assessed their position on the Lawful-Neutral-Chaotic scale.

The Wizard faction doesn't really like to interfere in the affairs of others and do good deeds indiscriminately.

Inferno, of course, if you judge by the creatures, is LE. Because they are very similar in composition to the Baal's army (just look at the Pit Fiends, although they seem a bit weak). But in terms of their aspirations, they are clearly chaotically evil. Lawful evil has certain clear principles and does not derive pleasure from the process of destruction itself. But I haven't noticed the Krigans striving to simply enslave everyone. They only crave destruction. Moreover, Inferno is the antithesis of the Castle. And the Castle is nothing more than LG.