Kakine Teitoku held his right hand out in front of him from where he stood a bit away.
“You are full of openings.”
A great roar exploded out.
Kakine Teitoku’s entire pure white arm turned into a giant wing. The countless feathers that made up that wing turned into sharp blades

Toaru Majutsu no Index New Testament, vol.6 ch.7 pt.6