first part change impale art to schokwave, lower stun, change hewight to 0, done
second one, create a trigger that checks fo ra random number between 1-100 lower then 2, or 4 ,r 6 or whatever, and if so, create a dummy unit at caster, give it smae ability, and have it cast it, and have it paly casters spell slam animation, done
second one, create a trigger that checks fo ra random number between 1-100 lower then 2, or 4 ,r 6 or whatever, and if so, create a dummy unit at caster, give it smae ability, and have it cast it, and have it paly casters spell slam animation, done