Fiamma of the Right lightly held out his hand.

It grabbed Kamijou’s right arm as if absorbing it.

That right arm was known as Imagine Breaker.

That unique right hand could negate any unexplainable supernatural power be it scientific or magical.

[...]

All the parts were absorbed into the third arm stretching from Fiamma of the Right’s right shoulder.

Toaru Majutsu no Index vol. 22