Salthorae
Imperial Mountain Dew Taster
That was the example I was going to use, our party wizard at the time used it very effectively in the RHoD module!mikebr99 said:It would be helpful to deal with a certain bridge in RHoD...
I've also used it as a wizard to figure things out in game such as "you're knowledge of architecture tells you that the building looks bigger on the outside than on the inside" So we went in and searched, sure enough there was a secret door full of swag we had missed

Don't forget your (UA-variant Cloistered or not) Cleric with the Knowledge Domain which gives all Kn skills as class skills too!