If the wall of force gave partial cover, you would be able to be hit. Web it is impossible to hit you, invisible or not, because there is physical thing between you. Alternate dimension version of another.
The impossible quiz answers 38
The impossible quiz 84
Answer to q15 on the impossible quiz
Pathfinder Battles Miniaturen Impossible Lands Masters of Magic Bo
Many of the questions have double meanings, tricks and puns and requires you to think outside.
Web with the impossible bloodline i would come up with the with the most outlandish, dumb story as possible.