It was an attempt to limit the ability so he couldn't spam mines everywhere. I could add a timed element or a max number of mines planted, but I like how having a mana cost interacts with A. wether you want to keep detonation on hand, and B. if you want to hearth to focus more on mines. note the first ability doesn't use mana, and the only other use for mana is the detonation and ultimates. Obviously, if I had the ability to, this number would be playtested to hell and back, but I...