Quote Originally Posted by KirigiriKyouko View Post
Only if the proc isn't timed, otherwise you could cast impact with 1 second left and then, interrupted. How fun that would be.
Since we're in QoL changes this shouldn't happen either. Once a spell has begun casting losing the proc shouldn't interrupt it.

Quote Originally Posted by Larin View Post
You could use a macro.
Macros are bad on a skill like this.