Trap damage

[Tamerleine]

So how do i make:
Trap side frost
Trap side flame
Trap frost
Trap flame
deal damage whenever a unit goes near them or is hit by them?

 

[Kino]

You have many ways of doing so.
Firstly the traps do nothing, you have to either...

a) Use regions and inflict damage whenever anything gets into range

b) Use units and inflict damage whenever something comes in range.