I feel such an addition would improve NS4 for the better, and make some items more of a pinnacle for a specific class. The gear would not differ in enhancement from the item typically found in various areas of NS4 (in this case, the kukri in halls of the dead)- thus preventing this from being overpowered, but its existence would add to the variety of the world and influence more players to role play with their respective gods. Also, only need trivial developer time would be needed to design the items and their descriptions - and I volunteer myself if I could help in any way.
An example of a deity restricted item would be:
Fragment of Godsbane:
+6 Kukri /w unusual stats along with the typical, like 1d4 divine damage, +1d6 sneaks and 2 casts/day of darkness.
Weapons like these would only usable by the most devout followers of the dm involved (Mask, in this case), and would be spawned in the recipients inventory, and would be no-drop, so unable to be transferred. There could even be a preferred item for each deity that represented his/her favored weapon or item, granted only to builds & players who epitomize their god's ideals, like a champion.
Class only items could be of a somewhat lesser stature, given out by DMs as more general rewards for quests oriented towards a specific class - like a ranger only archery contest on who could destroy a target the quickest - the reward being a ranger only bow.
Race & alignment only items could be a rare drop off a faction's epic guards, nexus creatures, or others of their faction - for example the shadow legion epic guards could have a chance of dropping an evil only elf usable weapon, or the Mystral Ascendancy epic guards might be able to drop a powerful evil wizard/sorcerer only helm. These items don't have to be of the highest caliber, perhaps some of the Northern Coalition guard could drop a lower level good only weapon.
The overall effect of this addition would improve & diversify faction battles and increase the roleplay and in character friction of those super huge multi-faction XP parties in NS4, because you never know when your god is watching
.
).
but for the most part they all seem spot on tho mystra with her shrunkin is perhaps a bit much for a magely type to sacrifice to use perhaps a dagger instead or other mage class weapon. minor tweaks like that would give you what your looking for and add some nifty weapon choices to thoes that are devout enough.