Originally Posted by Calver
So, to clarify, your "Strategic Suggestion" is probably only for adventurers who, say, blew up the tree that these things were living in, or something. Otherwise, you suggest that they normally don't harm other creatures. Just toy with them like normal fey and probably make them do stupid stuff.
It would all depend. They probably couldn't care less if you blew up a tree... unless perhaps one of their kind was harmed in the process.
But keep in mind that the players could always meet an evil fellow who likes to go a bit beyond pranks in some manner...