Is there any way to kill magic golems. They don't seem to do much damage, and thier spells are reflected by the cloak of mirroring, but it's just the principle of the thing. I had Minsc in there with the flail of ages, the vorpal sword, crom fayer... but no damage.

Try one of the following:

Flail, Two Handed Longsword or Warhammer. All non-magical. You might meet with more success this way. TRUST ELMINSTERS NOTES!

I remember using the bastard sword on them. I think any weapon will do it as long as it is NON MAGICAL, not even a measly +1 bonus is allowed :( . Theres only a few of them in the whole game anyway.

Summon some helpers (with simpel weapons). They'll take care of business.

Read elminsters notes it tells you lots of stuff about important enemies.

When you have trouble with a new type of creature lookin elminsters book of monsters that will say to use two hannded sword+0 and you catch my drift