I have 60000 gold in chapter 6. Is there anything notable to purchase?

I've already purchased the Tower Shield +3 and Bracers of 3 AC, that's all I could find in the shops worthy of anything. Any suggestions? Even spells.
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I also visit Adratha in druid grove
The temples also has some cool potions. I really like potions....
I would then buy the reflection shield, ring of air control, recharge all my wands (if you havent already). And then buy all the protection spells needed (aka the green spells) - the two protection from magic is a must.
Ps. 60.000 gp will not suffice visiting mrs Cragmoon when I go there - but then again I really like potions..
You can kill Firkraag really easily with the Feeblemind spell, because it does not turn him hostile if this spell fails. Just keep casting the spell until it sticks and then kill him while he just stands there being stupid. A solo naked level 9 mage can do it.
If you want a fair fight, it's better to have a few extra levels first.
It's an otherwise sad, sad little item that makes it slightly easier to cheese a few fights
And...are there even ANY beholders to fight in Ch.6 & further???