I'm playing on the default difficulty. Adept? It seemed to me like a Master level lock would take a bunch of picks, and thus I haven't bothered to go through with it. Expert takes at least five of them, unless you get lucky, according to my experience. I have done nothing to increase lockpicking and playing a Breton, there were no boosts, so the skill isn't that high.

I have now a few times encountered a glitch with the healing spell. Or it might not be related to any specific spell, but I have noticed it only with healing. Namely, when I press the right button (the spell being linked to it, with a sword behind the left button), nothing happens. Some unwielding and shuffling seems to fix it, but that's quite annoying when a polar bear with a couple of arrows sticking out of its hindside is right in front of you and its next strike would kill you.