Dwarf Assassin?

I have recently played Halfling and Dwarven bounty hunters and also a Halfling assassin using darts. The Dwarven character was the most fun. I am thinking now to play a crafty Dwarven assassin from BGEE to the end of BG2EE.
Is a Dwarf viable as an assassin given the dexterity? I will have a 2nd thief with me to handle traps/locks in both games, but am doubtful on the combat side, given that Assassins excel at ranged high APR weapons.
What about weapon proficiency order? Could crossbow/throwing dagger work as his ranged weapons, or best to stick to the higher APR weapons?
Is a Dwarf viable as an assassin given the dexterity? I will have a 2nd thief with me to handle traps/locks in both games, but am doubtful on the combat side, given that Assassins excel at ranged high APR weapons.
What about weapon proficiency order? Could crossbow/throwing dagger work as his ranged weapons, or best to stick to the higher APR weapons?
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Comments
I think the crossbow of speed is the best ranged weapon in BG1 tied with the long bow of marksmanship, but that's just my experience speaking. In BG2 the Firetooth crossbow comes much earlier than most end-game ranged weapons and bolts of biting are everywhere.
Edit: Oh and forgot to mention that I would put my level 1 proficiency points into daggers and single weapon style since daggers double as melee and ranged while also gaining benefit from strength. By the time you can afford the crossbow of speed you'll have your next proficiency point for it.
Those NPCs in your party, the second thief included, are not min-maxed. Not all of them has 18 or 19 in stats, but they're still useful and good.
After all, you have to ask yourself, do you play this or that character because of his or her power, or because you just want to.
For starting proficiencies, I would choose a weapon with more APR at the start (daggers or bows) - yes, there's a +1 ARP crossbow, but you need money and can spend a proficiency that comes at the 4th level on it. If you don't have 18 STR, a bow is better just because you don't have to carry daggers (and their weight). But again, is "better" the main deciding factor here?
Plus Darts of Stunning + Poison Weapon is an absolutely lethal combo, what's not to love?
If you can cast Doom and/or Greater Malison, it's even more fun.
A Dwarf? Yes, of course it's do-able. If you fancy being a Dwarf for RP/fun reasons, then fine, go for it. Mechanically a Dwarf will not be able to make quite such effective use of the Assassin kit as a Halfling (or indeed an Elf) because the weakness of any singleclass Thief is poor THAC0, and obviously a Halfling's (or Elf's) better DEX helps to alleviate that problem when using ranged weapons (which an Assassin ought to be doing most of the time). Nevertheless, I've no doubt that a Dwarven Assassin would still be pretty effective (even though I haven't tried it myself).
As for taking another Thief for locks/traps/etc ... in BG1, yes, the slower Thief point progression of the Assassin makes it useful to have another Thief to cover the gaps. However, in BG2, at least after the early stages, even an Assassin will have accumulated enough Thief points that s/he shouldn't need a second Thief.
In the earlier stages of BG1ee, yes, you can easily run out of uses of Poison Weapon, so it's a judgment call which battles to use it and when to save it up for later instead, but it's not as if you need it for every minor combat. By late-BG1ee, I found that 3 uses-per-day was enough to have it available for every occasion when I felt any need for it.
In BG2ee, of course, you end up with many more (eventually 10) uses-per-day, which I found ample. I gave him Dart and Sswd initially, then Sbow at level 4, and 1WS at level 8. However, I can agree that Sbow at level 1 and Dart at level 4 would be a plausible alternative. However, if you don't give him Darts by at least level 4 to get that extra APR for when you're using the Poison Weapon ability more often in the second half of BG1ee, then I seriously don't think you'd be making optimal use of the Assassin kit.
Even when he had only 1 use-per-day of Poison Weapon, and even when he had Darts without also Shortbow, my Assassin was usually killing more enemies than my warriors - which is a darn good combat performance for a Thief! In particular, when relying on Darts, the Gauntlets of Weapon Specialisation can be used to turn them into a surprisingly effective weapon at 3 APR against mostly quite weak enemies, even working without poison. And of course there are Darts of Wounding and Darts of Stunning and so on, for when you want more punch.
For all the reasons already discussed, I'd give him Darts next (level 4), so that you can maximise the power of Poison Weapon through the mid-game stages.
I'd give him Single Weapon Style at level 8 for when he's either forced into melee or attempting a backstab, both because it's a better "shield" than a buckler and because it doubles your critical hit chance with a melee weapon. (Nevertheless, I wouldn't bother too much with backstab as a regular tactic, since a single-class Thief's THAC0 is never good enough for reliable backstabbing - if I want a good backstabber, I'll go for a Stalker or some variety of Fighter/Thief. Assassins are much better off using Poison Weapon, that's what makes it a powerful kit.)
For level 12 ... there are times when you want blunt damage, so I'd give him a proficiency in either Club or Quarterstaff. If Quarterstaff, then Two-Handed Style for level 16 (to double the chance of a critical hit with the staff). If Club, then I reckon that the level 16 proficiency depends very much upon what weapons other members of your party will be using ... for example, if no-one else is ready to use the Firetooth +3 returning throwing dagger, then Daggers might be a good choice. If you have no-one else using Crossbows, then you might consider that for your Assassin - there are some situationally-advantageous crossbow bolts later on, and in particular you can score a large supply of bolts from the Kuo-Toa which have a useful stun chance - stun combined with an Assassin's poison is a real killer.