Why was this added? its kinda one sided isn't it? I'd prefer if they could only brew them if they picked one alignment or the other (good or evil). They already have a decent advantage over others since these spells have no effect on them I think its only fair they have to do without being able to brew the potion that protects against most npcs on the server.

It wasn't "added" so much as fixed. It was never intended that there should be potions that casters of some given alignment wouldn't be able to brew. We could redesign the system to work that way, but I think that it would be unnecessarily confusing.

That said -- I am looking into fiddling with the crafting code to distinguish between the spells "Protection from Good" and "Protection from Evil", so this may change shortly.

There, now everybody can brew both interchangeably. I think this system is nice -- I'm really not well versed in balance concerns though, so I'll let wiser minds determine what restrictions we want to impose on this. I still feel that having certain alignments unable to brew certain potions feels broken and buggy.

Anyhow, suggest away.

It was actually fine when neutrals could'nt craft either. The way I see it they can cast the spell. Maybe this could be one perk about picking a good or evil alignment as a caster?

Also perhaps something could be done to make protection from "good" a more useful? Perhaps a few qeusts which involve helping, goblinoids, orogs, bugbears etc killing some goodly deniziens of the underdark (Although finding good things in the underdark is a long shot)

More "evil" quests are in the planning.

As an update on this, potions of protection versus law/chaos/neutrality are now available at various places in the module. Protection from Law/Chaos may be castable soon, as well. This should ideally resolve some of the balance concerns about neutral spellcasters.

That's very interesting and handy! can I ask, though, on this special occassion, if other spells will be added as well?

Very unlikely. Adding spells is non-trivial at best, if we want to remain hak-free. The reason that it's being done here is that (1) resources for the spells already exist in NWN, and (2) there were pressing balance concerns due to the spells being absent.

I noticed that they'res stubs (in some 2da's) for SHIELD of LAW, cloak of chaos, aura vs alignment (chaos, law) etc. (and possibly even the LAW and CHAOS area-effect smites)

Does that mean they may be able to be written also?

It seems like it's somehing bioware had in mind to implement but never finished off.

Unlikely to happen without a pressing reason. The reason that Protection from Law and Protection from Chaos can be added has to do with the very specific way in which those spells are handled by the engine. It's a good idea, though, just one that we can't really do.

There's really nothing more to be said here, so I'm going to lock this as part of my ongoing effort to clean up the Suggestions forum.