On the needle shot, the texture for the trigger is bugged. As you can see on the page in the wiki (http://wiki.spiralknights.com/Needle_Shot) the trigger appears to be invisible. When viewed in game, the trigger appears invisible from the right side, while it appears against a dark background on the left. Is this just me?
Also, the needle shot looks like the same as toxic needle which that's how i got mind-tricked by the game. And the needle shot icon looks like pepperbox but with different launcher hole thingy to shoot bullets