Thank you for submitting your report about the nail spawns. We appreciate that you have taken time out of your day and away from playing FINAL FANTASY XIV: A Realm Reborn to let us know about this trouble so we can improve the experience of playing the game. If you feel this issue is a game balancing issue we would appreciate it if you could post this issue in our Feedback Forums located here:

http://forum.square-enix.com/ffxiv/forums/665