A Magical Puzzle Key for opening a door. Innocuous, somewhat simple, but fun to solve, if you like puzzles.
A magical barrier of acid blocks your path. Solve the puzzle to unlock the door.
A combination lock, possibly to open a chest or door or other entry point. A magical puzzle, for those interested.
Checkerboards on floors of dungeons… is there any greater bane to adventurers?
An orc male who dislikes the hard warrior life, has disguised himself as an orc female and is learning how to become a Shaman. If uncovered as a male, his fellow orcs will be disgusted enough to kill him.