trying ti do a replacement ability

I want to put a unit invisible (like windwalk) when he uses and ability (mirror image) so he could escape while the other still thinks its him.

Oooh like that hero in Dota. Create a dummy unit (I assume you know about dummy caster units) with "invisiblity" (from human sorceress) ability, and make it so each time your Hero begins the effect of Mirror Image, the dummy unit casts invisible to it.

Don't forget to 0 the mana cost for the invisible and 0 the transition time too.

ok ty but i dont really understand the dummy caster units i cant make them work...

wow try triggering unit varible type for the caster as it seems that casting unit varible type won't work (I tried it thats y.)

-Av3n

Using Windwalk and casting the item Wand of Illusion on the triggering unit might be a better method.

yea might be and you won't see the mirror image graphics as well.

-Av3n

ok good but i tryied to make an issued order but cant figure it out id need help with doing the actions (ill be ok with the events and conditions)

If you're following Jazradel's way, then just issue order your caster to use a dummy Wand of Illusion item, and then add/use/remove a dummy Windwalk ability.

Another GUI problem: Wand of Illusion's order has no string representation. I guess that's his problem.