Powerful Shots is the second upgrade for the Dartling Gun in BTD4. There is also the same upgrade called Powerful Darts in BTD5, which is the first upgrade in path 2 for Dartling Gun, making its darts pop 3 bloons. It costs $510 on Easy, $600 on Medium, $650 on Hard, and $720 on Impoppable. The Dartling Gun is much more powerful with it. Its image has 2 Upgrade Marks in BTD4. This upgrade also gives a slight dart rate increase for the Dartling Gun, just like the Missile Launcher upgrade on the Bomb Tower.