dummy unit

So i've been trying to make an AoE version of Storm Bolt for a hero unit, and used a dummy from another map of mine. I gave the dummy a bash ability with 100% chance to stun enemy units. The dummy is based on a demolisher and it's attack does AoE damage. I am guessing that bash doesn't apply to...

When it comes to triggers which use a dummy unit to cast an ability, which is more efficient? Having a dummy unit pre-placed in the editor which is moved around the map when called for by a trigger and just giving the dummy unit all the abilities it will potentially need in the object editor...

I was looking at this great tutorial here about manipulating special effects and I really wanted to implement one of these things into my map. The instructions are simple and I followed them but it simply did nothing. I was wondering if I was missing something or perhaps if this is no longer...