[Trigger] need help with Arena trigger similiar as anime fight

[cooldud3]

I am helping a freind make a series called Unkown Arena, i need a arena trigger similiar to the one in anime fight (where 1 hero is selected on each team to fight and the rest cant move on the sidelines) the last 1 i made took me liek 2 hrs and crashed wc3 for some reason i couldnt figure out. If you could add a map with 1 or a simple way of doing i would be very greatful

 

[Just_Spectating]

you have to be more specific, i cant tell what you are asking for. selected to fight? so like, if player1 selects a unit it becomes his? then the rest cant move on the sidelines? like. one hero per team? -.-