User blog comment:TheRealRC/Should the Dartling Gun be added to BTD6?/@comment-31501522-20180710043048

The Dartling Gunner is being planned to be added in a future update of BTD6. If you want to know what its upgrades are are, here's a list of planned towers and upgrades. (NOTE: MAJOR SPOILERS!)

I found this in the Btd6 subreddit post, here is the pastebin: https://pastebin.com/arV7bWJU