Invisibility

1 clue
Harry Potter's Cloak of ---
Similar answers:
Ability
Amicability
Andsensibility
Approachability
Areweinvisible
Artisticability
Builtfordurability
Controllability
Credibility
Culpability
Debility
Desirability
Disability
Drawpumobility
Durability
Edibility
Eriesolvability
Exxonmobility
Feasibility
Havetheability