delete the melle ini trigger
and give him the abl windwalk
go to object editor go to night elf melee heros [then find illidan] near the top is hero abilities double click to a new form[window] open then go to add new then double click that and look for hero windwalk[actually just wind walk but theres a heroV[down arrow dont change that] and click windwalk and add it i cant think of the next button but you can figure that out