Explosive Trap Ability

[K.V.]

Any suggestions on how can i make an ability like goblin land mine, but trigger based.
Things that the ability must do;
Has to be an immovable invisible summoned unit that triggers it's effect when an enemy steps on it.
Deals AoE damage when triggered and debuffs all enemies hit with a damage over time,armor and damage reduction effect (Howl of Terror cast by a dummy fits well for this part).
And the most important thing, must sustain more than 1 trap up at a time, and this is where my trigger bugs out and everytime i summon a new trap it overrides the old trap's position and activation. So when a unit steps on the first trap it activates the last one set.
I'm looking for a way to separate the traps from each other.

 

[millzy]

your triggers arnt MUI by the sounds of it

also i suggest
base your traps off off the regular goblin mines. edit the AOE upon death damage to what you need and add the other effects with dummy units so then the trigger would be somthing like this

• Mine
  • Events
    • Unit - A unit Dies
  • Conditions
    • (Unit-type of (Triggering unit)) Equal to (your land mine)
  • Actions
    • do triggerd actions