Troubling Traps and Locust Behavior

[NecroVirus]

So all I want is a couple of giant statues that breathe fire in front of them when activated by an enemy player stepping on a rune. For some reason my flying dummies will not activate breath of fire while they have the locust ability, but the traps works fine if I remove the locust ability (leaving an ugly selectable unit I don't want).

On top of that the region that activates the trap has a red rune and a locust unit with the slow effect to show the trap is ready to use again. I use Hide on the locust unit and unhide it when the trap is ready but for some ungodly reason after it unhides it gets collision and the activating player's unit gets stuck with no way out!

What the heck is going on and how do I fix this it's infuriating

 

[NecroVirus]

Whelp, I closed the map and reopened it to import something and now everything works. Instead of using hide/unhide I used death/stand animations.

Everything is good (I think)

 

[Devalut]

Dummy unit doesn't need to be there always, just activate them when the player triggers it, and remove once your finished!

 

[NecroVirus]

In this case the dummy doubles as decor and a possible warning for the players