This can be a way to reward points in #callofcthulhu skills that are uncommon or so low that improvement during the #investigator development phase is unlikely. These small increments will not break the game, if you avoid handing them out regularly for often used skills, like Spot Hidden. And, it opened the way for a reward type that has become quite welcome with my players: Add-on skills. I have devised some skills that start at 1% and can be either regularly rolled by themselves on a #1d100 OR