Help, trigger lags

[darth_ilidan]

i made this trigger:

and it works fine but the first time it is activated it lags, how do i fix th lag?

 

[Renendaru]

I'd preload the spell. Order a dummy unit to cast your spell at the beginning of the game.

 

[Chocobo]

At map initialization create your dummy unit add the ability and remove the unit.