Even with the "good" keys crumbling. Like Daevryn and another said, keys to Aran'Gird is one use, keys to the locked room in galadon another.

My issue with it though it that its an extremely niche skill, considering you have to take advanced lockpick first, then locksmith after. It is 8 points then 6 points I believe which imo, is a bit on the steep end for a thief skill with such limited use (assuming all the gold gathering tricks are fixed keys to crumble now, or not locksmithable.)

Is it possible that team imm/thief points could take a look at the point cost, and evaluate maybe weather its a tad expensive for what it is? I could totally see it being a 2 point skill, 3 maybe. But since you already have to spend 8 points on adv picklock just to get it, maybe its a bit much?

Thanks for your time, just throwing in my suggestion for the skill.