So yay! Time for more background and flavor for my D&D game with another addition to the pantheon.

This fellow is Nausk, the physically youngest god in the pantheon. Nausk appears as a teenaged rat with six arms. He is often refered to as Nausk of the shadows and Nausk six-arms. Nausk is often depicted in a cloak that seems to fade into the darkness surrounding him, and lore tells us that he "cloaks himself with the night itself".

Nausk has very few proper temples, and Nausk's shrines tend to be small, hidden things, usually just a figure of him with an alms bowl. His followers are expected to tithe when they have plenty and turn a blind eye to those who "borrow" when they have none. Strangely, it seems that often the tithing vanishes even during times of plenty, and many of his more devout followers profess this is proof that Nausk himself takes some of the tithings and watches over his followers.

Because of the secretive nature of his worshipers and the less-then-public locations of his shrines and temples, worship of Nausk is almost a mystery cult, and the only reason I do not classify it as such is everyone knows Nausk is the god of thieves and his worshipers are not secretive about how he is worshiped, even if they are not always forthcoming about the location of his shrines.

Nausk's symbol is six intersecting lines, one horizontal and two diagonal, flattened vertically. Pretty much a short asterisk.

Nausk is Chaotic neutral and his domains are Darkness, Chaos, Travel, and Trickery.

Additionally, I'm considering giving his clerics the option of sacrificing one of their domain choices to instead take on the "aspect of Nausk" which gives the cleric the ability to manifest four extra arms and temporarily gain the ability ambidexterity. I'm not sure about the mechanics of that though - it might be broken for game purposes, even though it sounds awesome to be able to steal with six arms at once...

D&D buffs, what do you think of this concept?

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EDIT:

bootz gave me a very nice, ballanced way to pull this off. Those clerics who wish to take "aspect of Nausk" instead of one of their domains, get the use of "aspect of Nausk" whenever they would ordinarily be able to use a domain spell. Additionally, the "aspect of Nausk" is a very tasking ability to use and does not last longer then 1 round for every character level. The "aspect of Nausk" temporarily transforms the character(and any equiptment/clothing they are wearing), providing 4 additional arms. Each duplicate arm duplicates any non-magical equipment as the original arm on that side had on it, included wielded weapons. Each arm can act independently to make attacks or other rolls of skill(pick pocket, pick lock, etc) and gives a +4 to climb bonus. You can't climb with each arm separately.