Originally posted by Ian Kognitow
I agree with lompo that the Defender of Easthaven is quite useful as an offhand weapon. There are downsides though in that it is very expensive and is ultimately only a +2 - so in the end it will be one of those special use weapons and I would generally suggest an offhand with other immunities. Essentially, I feel that if you're wading into a battle with a f/m/t and you've already burnt through your stoneskins and other protections such that the 20% physical immunity is absorbing damage, you're probably in trouble anyway.
Although stated as a +2 weapon, DoE is actually a +3 weapon; it is expensive, but you can get it early (while you get Equalizer late); that said the choice for the off-hand weapon depends on many factors (classes of char., style of playing, other char. in the group etc.):for a F/M DoE doesn't seem the best choice (compared to Dakkon zerth, Equalizer or Belm/Kundane or even Arbane), while for a F/C or R/C is almost the only option (excluded Crom), and for a pure fighter type is a good option (DoE+hardiness=60% dmg resistance, not bad).
Daystar and Flametongue aren't great offhanders (no benefit), while they are decent mainhander; actually Daystar is good to have in the unusea weapon slot, because you still can use the spell even if you are not wielding it.
As for Jaheira, she is the best tank you can get for a fighter, just give her good gear and add Ironskin and Armour of Faith(and later hardiness): she is almost invulnerable to phisical dmg. But she will do gratly in any configuration.
For a F/M or M/T there are better option than the elven chain, bracers can give you better AC (plus some other benefits) and Vecna and robe of Archimagi have the same AC plus bonuses (robe of Archi. can be even upgraded becoming a great option).
If you have the upgrade mod, I agree the Pithcwife (Blackblood+Gnasher) is an awesome weapon, definetly the best antispellcaster weapon (elemental dmg + dmg over time outch!!!).