Depends on how hard a fight against a ghost is. Stronger ones might be able to break through portions of the spell, but there are enough safeguards and backups that getting through them all is nigh impossible.
[Filter]
Vanya? Yeah, good point. I was thinking of using one for Wanda, too, but I don't know if she's got her own methods or not, I don't want to assume.
Contact Vanya and let her know I'll make sure she's covered.