Shattered Kingdoms

I'm pretty sure you just don't have enough int.

Okay, now I can't hold detect invis and cast identify, that seems a little wacked, I KNOW i've done that before.

It's a known bug caused by timing out while holding spells. I used to have the problem with my priest all the time. Just log back in.

Logging in doesn't seem to fix it for me. I think my character's gotten dumber.

That's certainly possible. If you lost a level or are wearing stat negative equipment.

Can't do it naked, going to check my logs to make sure I used to be able to.

In the past you might have be using stat increasers that you lost to a death or something.