Hello guys, I'm really new about triggering and i need some help here, I want to make a simple trigger which like the title says, if a unit enters a region, a creep or creeps will spawns, but the problem is, when my unit enter the region, it spawns beyond my expectation, whole shape of the region was filled with creeps, i don't know what is wrong with it, maybe u guys can show me what's wrong with my trigger.





